Home / 22,838.92-31,517.80-12,767.76

Finding the Fourth Proportional to 22,838.92, 31,517.80 and 12,767.76

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Solution

The fourth proportional to 22,838.92, 31,517.80 and 12,767.76 is: 17,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,838.92 : 31,517.80 = 12,767.76 : x
  2. Step 2: Convert to fraction form
    22,838.92/31,517.80 = 12,767.76/x
  3. Step 3: Cross multiply
    22,838.92x = 31,517.80 × 12,767.76
  4. Step 4: Simplify right side
    22,838.92x = 402,411,706.13
  5. Step 5: Solve for x
    x = 402,411,706.13/22,838.92
  6. Step 6: Final answer
    x = 17,619.56

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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.