Home / 27,123.30-40,691.45-11,319.54

Finding the Fourth Proportional to 27,123.30, 40,691.45 and 11,319.54

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Solution

The fourth proportional to 27,123.30, 40,691.45 and 11,319.54 is: 16,982.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,123.30 : 40,691.45 = 11,319.54 : x
  2. Step 2: Convert to fraction form
    27,123.30/40,691.45 = 11,319.54/x
  3. Step 3: Cross multiply
    27,123.30x = 40,691.45 × 11,319.54
  4. Step 4: Simplify right side
    27,123.30x = 460,608,495.93
  5. Step 5: Solve for x
    x = 460,608,495.93/27,123.30
  6. Step 6: Final answer
    x = 16,982.02

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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.