Home / 25,691.11-38,439.76-15,166.86

Finding the Fourth Proportional to 25,691.11, 38,439.76 and 15,166.86

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Solution

The fourth proportional to 25,691.11, 38,439.76 and 15,166.86 is: 22,693.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.11 : 38,439.76 = 15,166.86 : x
  2. Step 2: Convert to fraction form
    25,691.11/38,439.76 = 15,166.86/x
  3. Step 3: Cross multiply
    25,691.11x = 38,439.76 × 15,166.86
  4. Step 4: Simplify right side
    25,691.11x = 583,010,458.35
  5. Step 5: Solve for x
    x = 583,010,458.35/25,691.11
  6. Step 6: Final answer
    x = 22,693.08

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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.