Home / 22,744.97-31,387.27-12,672.89

Finding the Fourth Proportional to 22,744.97, 31,387.27 and 12,672.89

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Solution

The fourth proportional to 22,744.97, 31,387.27 and 12,672.89 is: 17,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,744.97 : 31,387.27 = 12,672.89 : x
  2. Step 2: Convert to fraction form
    22,744.97/31,387.27 = 12,672.89/x
  3. Step 3: Cross multiply
    22,744.97x = 31,387.27 × 12,672.89
  4. Step 4: Simplify right side
    22,744.97x = 397,767,356.75
  5. Step 5: Solve for x
    x = 397,767,356.75/22,744.97
  6. Step 6: Final answer
    x = 17,488.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.