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Finding the Fourth Proportional to 41,607.52, 62,411.26 and 13,905.52

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Solution

The fourth proportional to 41,607.52, 62,411.26 and 13,905.52 is: 20,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,607.52 : 62,411.26 = 13,905.52 : x
  2. Step 2: Convert to fraction form
    41,607.52/62,411.26 = 13,905.52/x
  3. Step 3: Cross multiply
    41,607.52x = 62,411.26 × 13,905.52
  4. Step 4: Simplify right side
    41,607.52x = 867,861,024.16
  5. Step 5: Solve for x
    x = 867,861,024.16/41,607.52
  6. Step 6: Final answer
    x = 20,858.27

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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.