Home / 25,519.51-35,207.59-15,444.28

Finding the Fourth Proportional to 25,519.51, 35,207.59 and 15,444.28

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Solution

The fourth proportional to 25,519.51, 35,207.59 and 15,444.28 is: 21,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,519.51 : 35,207.59 = 15,444.28 : x
  2. Step 2: Convert to fraction form
    25,519.51/35,207.59 = 15,444.28/x
  3. Step 3: Cross multiply
    25,519.51x = 35,207.59 × 15,444.28
  4. Step 4: Simplify right side
    25,519.51x = 543,755,751.46
  5. Step 5: Solve for x
    x = 543,755,751.46/25,519.51
  6. Step 6: Final answer
    x = 21,307.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.