Home / 27,834.20-41,752.90-8,115.80

Finding the Fourth Proportional to 27,834.20, 41,752.90 and 8,115.80

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Solution

The fourth proportional to 27,834.20, 41,752.90 and 8,115.80 is: 12,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.20 : 41,752.90 = 8,115.80 : x
  2. Step 2: Convert to fraction form
    27,834.20/41,752.90 = 8,115.80/x
  3. Step 3: Cross multiply
    27,834.20x = 41,752.90 × 8,115.80
  4. Step 4: Simplify right side
    27,834.20x = 338,858,185.82
  5. Step 5: Solve for x
    x = 338,858,185.82/27,834.20
  6. Step 6: Final answer
    x = 12,174.17

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1.5x scale

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.