Home / 21,882.54-32,841-15,265.65

Finding the Fourth Proportional to 21,882.54, 32,841 and 15,265.65

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Solution

The fourth proportional to 21,882.54, 32,841 and 15,265.65 is: 22,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,882.54 : 32,841 = 15,265.65 : x
  2. Step 2: Convert to fraction form
    21,882.54/32,841 = 15,265.65/x
  3. Step 3: Cross multiply
    21,882.54x = 32,841 × 15,265.65
  4. Step 4: Simplify right side
    21,882.54x = 501,339,211.65
  5. Step 5: Solve for x
    x = 501,339,211.65/21,882.54
  6. Step 6: Final answer
    x = 22,910.47

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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.