Home / 22,517.33-31,001.27-18,531.59

Finding the Fourth Proportional to 22,517.33, 31,001.27 and 18,531.59

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Solution

The fourth proportional to 22,517.33, 31,001.27 and 18,531.59 is: 25,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,517.33 : 31,001.27 = 18,531.59 : x
  2. Step 2: Convert to fraction form
    22,517.33/31,001.27 = 18,531.59/x
  3. Step 3: Cross multiply
    22,517.33x = 31,001.27 × 18,531.59
  4. Step 4: Simplify right side
    22,517.33x = 574,502,577.46
  5. Step 5: Solve for x
    x = 574,502,577.46/22,517.33
  6. Step 6: Final answer
    x = 25,513.80

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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.