Home / 27,356.38-41,034.55-8,638.29

Finding the Fourth Proportional to 27,356.38, 41,034.55 and 8,638.29

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Solution

The fourth proportional to 27,356.38, 41,034.55 and 8,638.29 is: 12,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,356.38 : 41,034.55 = 8,638.29 : x
  2. Step 2: Convert to fraction form
    27,356.38/41,034.55 = 8,638.29/x
  3. Step 3: Cross multiply
    27,356.38x = 41,034.55 × 8,638.29
  4. Step 4: Simplify right side
    27,356.38x = 354,468,423.91
  5. Step 5: Solve for x
    x = 354,468,423.91/27,356.38
  6. Step 6: Final answer
    x = 12,957.43

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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.