Home / 25,931.97-38,884.90-15,116.18

Finding the Fourth Proportional to 25,931.97, 38,884.90 and 15,116.18

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Solution

The fourth proportional to 25,931.97, 38,884.90 and 15,116.18 is: 22,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931.97 : 38,884.90 = 15,116.18 : x
  2. Step 2: Convert to fraction form
    25,931.97/38,884.90 = 15,116.18/x
  3. Step 3: Cross multiply
    25,931.97x = 38,884.90 × 15,116.18
  4. Step 4: Simplify right side
    25,931.97x = 587,791,147.68
  5. Step 5: Solve for x
    x = 587,791,147.68/25,931.97
  6. Step 6: Final answer
    x = 22,666.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.