Home / 27,709.20-38,234.52-15,773.04

Finding the Fourth Proportional to 27,709.20, 38,234.52 and 15,773.04

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Solution

The fourth proportional to 27,709.20, 38,234.52 and 15,773.04 is: 21,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,709.20 : 38,234.52 = 15,773.04 : x
  2. Step 2: Convert to fraction form
    27,709.20/38,234.52 = 15,773.04/x
  3. Step 3: Cross multiply
    27,709.20x = 38,234.52 × 15,773.04
  4. Step 4: Simplify right side
    27,709.20x = 603,074,613.34
  5. Step 5: Solve for x
    x = 603,074,613.34/27,709.20
  6. Step 6: Final answer
    x = 21,764.42

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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.