Home / 27,123.43-40,685.42-13,080.19

Finding the Fourth Proportional to 27,123.43, 40,685.42 and 13,080.19

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Solution

The fourth proportional to 27,123.43, 40,685.42 and 13,080.19 is: 19,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,123.43 : 40,685.42 = 13,080.19 : x
  2. Step 2: Convert to fraction form
    27,123.43/40,685.42 = 13,080.19/x
  3. Step 3: Cross multiply
    27,123.43x = 40,685.42 × 13,080.19
  4. Step 4: Simplify right side
    27,123.43x = 532,173,023.83
  5. Step 5: Solve for x
    x = 532,173,023.83/27,123.43
  6. Step 6: Final answer
    x = 19,620.42

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.