Is the ratio 25 to 16 proportional to 5 to 4.

No because 5:4 time 4 you get 20:16 not 25:16 and if you manage 25 it will be 25:20 so not promotional

no

Step-by-step explanation:

because if you divide 25 by 16 you get 1.5625 and if you divide 5 by 4 you 1.25, so they are not proportional. and another way to see if its proportional or not, is to divide the numerators by the same number as you did with the denominators. for example, 25/5 = 5 but 16/5 does not equal 4, so they aren't proportional.

4th option is correct xy=-10

if this was to u plzz mark me the brainliest