Home / 22,515.30-33,721.92-18,057.47

Finding the Fourth Proportional to 22,515.30, 33,721.92 and 18,057.47

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Solution

The fourth proportional to 22,515.30, 33,721.92 and 18,057.47 is: 27,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.30 : 33,721.92 = 18,057.47 : x
  2. Step 2: Convert to fraction form
    22,515.30/33,721.92 = 18,057.47/x
  3. Step 3: Cross multiply
    22,515.30x = 33,721.92 × 18,057.47
  4. Step 4: Simplify right side
    22,515.30x = 608,932,390.13
  5. Step 5: Solve for x
    x = 608,932,390.13/22,515.30
  6. Step 6: Final answer
    x = 27,045.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.