Home / 27,834.20-41,752.20-9,115.30

Finding the Fourth Proportional to 27,834.20, 41,752.20 and 9,115.30

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Solution

The fourth proportional to 27,834.20, 41,752.20 and 9,115.30 is: 13,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.20 : 41,752.20 = 9,115.30 : x
  2. Step 2: Convert to fraction form
    27,834.20/41,752.20 = 9,115.30/x
  3. Step 3: Cross multiply
    27,834.20x = 41,752.20 × 9,115.30
  4. Step 4: Simplify right side
    27,834.20x = 380,583,828.66
  5. Step 5: Solve for x
    x = 380,583,828.66/27,834.20
  6. Step 6: Final answer
    x = 13,673.24

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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.