Home / 22,426.47-33,644.97-12,572.55

Finding the Fourth Proportional to 22,426.47, 33,644.97 and 12,572.55

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Solution

The fourth proportional to 22,426.47, 33,644.97 and 12,572.55 is: 18,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,426.47 : 33,644.97 = 12,572.55 : x
  2. Step 2: Convert to fraction form
    22,426.47/33,644.97 = 12,572.55/x
  3. Step 3: Cross multiply
    22,426.47x = 33,644.97 × 12,572.55
  4. Step 4: Simplify right side
    22,426.47x = 423,003,067.57
  5. Step 5: Solve for x
    x = 423,003,067.57/22,426.47
  6. Step 6: Final answer
    x = 18,861.78

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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.