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Finding the Fourth Proportional to 22,489.52, 33,728.10 and 8,448.46

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Solution

The fourth proportional to 22,489.52, 33,728.10 and 8,448.46 is: 12,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.52 : 33,728.10 = 8,448.46 : x
  2. Step 2: Convert to fraction form
    22,489.52/33,728.10 = 8,448.46/x
  3. Step 3: Cross multiply
    22,489.52x = 33,728.10 × 8,448.46
  4. Step 4: Simplify right side
    22,489.52x = 284,950,503.73
  5. Step 5: Solve for x
    x = 284,950,503.73/22,489.52
  6. Step 6: Final answer
    x = 12,670.37

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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.