Home / 15,427.40-23,141.10-15,330.20

Finding the Fourth Proportional to 15,427.40, 23,141.10 and 15,330.20

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Solution

The fourth proportional to 15,427.40, 23,141.10 and 15,330.20 is: 22,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.40 : 23,141.10 = 15,330.20 : x
  2. Step 2: Convert to fraction form
    15,427.40/23,141.10 = 15,330.20/x
  3. Step 3: Cross multiply
    15,427.40x = 23,141.10 × 15,330.20
  4. Step 4: Simplify right side
    15,427.40x = 354,757,691.22
  5. Step 5: Solve for x
    x = 354,757,691.22/15,427.40
  6. Step 6: Final answer
    x = 22,995.30

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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.