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Finding the Fourth Proportional to 41,489.34, 62,227.90 and 15,187.96

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Solution

The fourth proportional to 41,489.34, 62,227.90 and 15,187.96 is: 22,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,489.34 : 62,227.90 = 15,187.96 : x
  2. Step 2: Convert to fraction form
    41,489.34/62,227.90 = 15,187.96/x
  3. Step 3: Cross multiply
    41,489.34x = 62,227.90 × 15,187.96
  4. Step 4: Simplify right side
    41,489.34x = 945,114,856.08
  5. Step 5: Solve for x
    x = 945,114,856.08/41,489.34
  6. Step 6: Final answer
    x = 22,779.70

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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.