Home / 21,717.60-29,974.91-16,626.66

Finding the Fourth Proportional to 21,717.60, 29,974.91 and 16,626.66

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Solution

The fourth proportional to 21,717.60, 29,974.91 and 16,626.66 is: 22,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717.60 : 29,974.91 = 16,626.66 : x
  2. Step 2: Convert to fraction form
    21,717.60/29,974.91 = 16,626.66/x
  3. Step 3: Cross multiply
    21,717.60x = 29,974.91 × 16,626.66
  4. Step 4: Simplify right side
    21,717.60x = 498,382,553.97
  5. Step 5: Solve for x
    x = 498,382,553.97/21,717.60
  6. Step 6: Final answer
    x = 22,948.33

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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.