Home / 27,347-37,738.88-14,771.75

Finding the Fourth Proportional to 27,347, 37,738.88 and 14,771.75

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Solution

The fourth proportional to 27,347, 37,738.88 and 14,771.75 is: 20,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,347 : 37,738.88 = 14,771.75 : x
  2. Step 2: Convert to fraction form
    27,347/37,738.88 = 14,771.75/x
  3. Step 3: Cross multiply
    27,347x = 37,738.88 × 14,771.75
  4. Step 4: Simplify right side
    27,347x = 557,469,226.78
  5. Step 5: Solve for x
    x = 557,469,226.78/27,347
  6. Step 6: Final answer
    x = 20,385.02

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.