Home / 22,640.97-31,248.98-14,459.32

Finding the Fourth Proportional to 22,640.97, 31,248.98 and 14,459.32

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Solution

The fourth proportional to 22,640.97, 31,248.98 and 14,459.32 is: 19,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,640.97 : 31,248.98 = 14,459.32 : x
  2. Step 2: Convert to fraction form
    22,640.97/31,248.98 = 14,459.32/x
  3. Step 3: Cross multiply
    22,640.97x = 31,248.98 × 14,459.32
  4. Step 4: Simplify right side
    22,640.97x = 451,839,001.49
  5. Step 5: Solve for x
    x = 451,839,001.49/22,640.97
  6. Step 6: Final answer
    x = 19,956.70

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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.