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Finding the Fourth Proportional to 22,761.54, 34,163.64 and 14,013.54

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Solution

The fourth proportional to 22,761.54, 34,163.64 and 14,013.54 is: 21,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,761.54 : 34,163.64 = 14,013.54 : x
  2. Step 2: Convert to fraction form
    22,761.54/34,163.64 = 14,013.54/x
  3. Step 3: Cross multiply
    22,761.54x = 34,163.64 × 14,013.54
  4. Step 4: Simplify right side
    22,761.54x = 478,753,535.69
  5. Step 5: Solve for x
    x = 478,753,535.69/22,761.54
  6. Step 6: Final answer
    x = 21,033.44

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1.5x scale

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.