Home / 25,951.14-38,932.19-8,419.61

Finding the Fourth Proportional to 25,951.14, 38,932.19 and 8,419.61

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Solution

The fourth proportional to 25,951.14, 38,932.19 and 8,419.61 is: 12,631.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,951.14 : 38,932.19 = 8,419.61 : x
  2. Step 2: Convert to fraction form
    25,951.14/38,932.19 = 8,419.61/x
  3. Step 3: Cross multiply
    25,951.14x = 38,932.19 × 8,419.61
  4. Step 4: Simplify right side
    25,951.14x = 327,793,619.49
  5. Step 5: Solve for x
    x = 327,793,619.49/25,951.14
  6. Step 6: Final answer
    x = 12,631.18

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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.