Home / 27,711.08-38,240.34-15,774.92

Finding the Fourth Proportional to 27,711.08, 38,240.34 and 15,774.92

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Solution

The fourth proportional to 27,711.08, 38,240.34 and 15,774.92 is: 21,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,711.08 : 38,240.34 = 15,774.92 : x
  2. Step 2: Convert to fraction form
    27,711.08/38,240.34 = 15,774.92/x
  3. Step 3: Cross multiply
    27,711.08x = 38,240.34 × 15,774.92
  4. Step 4: Simplify right side
    27,711.08x = 603,238,304.27
  5. Step 5: Solve for x
    x = 603,238,304.27/27,711.08
  6. Step 6: Final answer
    x = 21,768.85

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Double scale
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Similar ratio
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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.