Home / 22,729.17-31,366.29-12,659.55

Finding the Fourth Proportional to 22,729.17, 31,366.29 and 12,659.55

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Solution

The fourth proportional to 22,729.17, 31,366.29 and 12,659.55 is: 17,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,729.17 : 31,366.29 = 12,659.55 : x
  2. Step 2: Convert to fraction form
    22,729.17/31,366.29 = 12,659.55/x
  3. Step 3: Cross multiply
    22,729.17x = 31,366.29 × 12,659.55
  4. Step 4: Simplify right side
    22,729.17x = 397,083,116.57
  5. Step 5: Solve for x
    x = 397,083,116.57/22,729.17
  6. Step 6: Final answer
    x = 17,470.20

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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.