Home / 27,123.50-40,685.26-13,080.91

Finding the Fourth Proportional to 27,123.50, 40,685.26 and 13,080.91

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Solution

The fourth proportional to 27,123.50, 40,685.26 and 13,080.91 is: 19,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,123.50 : 40,685.26 = 13,080.91 : x
  2. Step 2: Convert to fraction form
    27,123.50/40,685.26 = 13,080.91/x
  3. Step 3: Cross multiply
    27,123.50x = 40,685.26 × 13,080.91
  4. Step 4: Simplify right side
    27,123.50x = 532,200,293.40
  5. Step 5: Solve for x
    x = 532,200,293.40/27,123.50
  6. Step 6: Final answer
    x = 19,621.37

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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.