Home / 27,837.11-41,761.49-9,115.71

Finding the Fourth Proportional to 27,837.11, 41,761.49 and 9,115.71

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Solution

The fourth proportional to 27,837.11, 41,761.49 and 9,115.71 is: 13,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,837.11 : 41,761.49 = 9,115.71 : x
  2. Step 2: Convert to fraction form
    27,837.11/41,761.49 = 9,115.71/x
  3. Step 3: Cross multiply
    27,837.11x = 41,761.49 × 9,115.71
  4. Step 4: Simplify right side
    27,837.11x = 380,685,586.43
  5. Step 5: Solve for x
    x = 380,685,586.43/27,837.11
  6. Step 6: Final answer
    x = 13,675.47

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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.