Home / 27,979.26-41,974.65-8,255.94

Finding the Fourth Proportional to 27,979.26, 41,974.65 and 8,255.94

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Solution

The fourth proportional to 27,979.26, 41,974.65 and 8,255.94 is: 12,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979.26 : 41,974.65 = 8,255.94 : x
  2. Step 2: Convert to fraction form
    27,979.26/41,974.65 = 8,255.94/x
  3. Step 3: Cross multiply
    27,979.26x = 41,974.65 × 8,255.94
  4. Step 4: Simplify right side
    27,979.26x = 346,540,191.92
  5. Step 5: Solve for x
    x = 346,540,191.92/27,979.26
  6. Step 6: Final answer
    x = 12,385.61

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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.