Home / 27,581.92-41,367.18-7,855.18

Finding the Fourth Proportional to 27,581.92, 41,367.18 and 7,855.18

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Solution

The fourth proportional to 27,581.92, 41,367.18 and 7,855.18 is: 11,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.92 : 41,367.18 = 7,855.18 : x
  2. Step 2: Convert to fraction form
    27,581.92/41,367.18 = 7,855.18/x
  3. Step 3: Cross multiply
    27,581.92x = 41,367.18 × 7,855.18
  4. Step 4: Simplify right side
    27,581.92x = 324,946,644.99
  5. Step 5: Solve for x
    x = 324,946,644.99/27,581.92
  6. Step 6: Final answer
    x = 11,781.15

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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.