Home / 27,411.26-41,118.11-7,689.38

Finding the Fourth Proportional to 27,411.26, 41,118.11 and 7,689.38

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Solution

The fourth proportional to 27,411.26, 41,118.11 and 7,689.38 is: 11,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,411.26 : 41,118.11 = 7,689.38 : x
  2. Step 2: Convert to fraction form
    27,411.26/41,118.11 = 7,689.38/x
  3. Step 3: Cross multiply
    27,411.26x = 41,118.11 × 7,689.38
  4. Step 4: Simplify right side
    27,411.26x = 316,172,767.13
  5. Step 5: Solve for x
    x = 316,172,767.13/27,411.26
  6. Step 6: Final answer
    x = 11,534.41

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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.