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Finding the Fourth Proportional to 32,572.38, 48,861.31 and 10,388.91

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Solution

The fourth proportional to 32,572.38, 48,861.31 and 10,388.91 is: 15,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,572.38 : 48,861.31 = 10,388.91 : x
  2. Step 2: Convert to fraction form
    32,572.38/48,861.31 = 10,388.91/x
  3. Step 3: Cross multiply
    32,572.38x = 48,861.31 × 10,388.91
  4. Step 4: Simplify right side
    32,572.38x = 507,615,752.07
  5. Step 5: Solve for x
    x = 507,615,752.07/32,572.38
  6. Step 6: Final answer
    x = 15,584.24

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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.