Home / 29,427.34-40,609.92-15,998.72

Finding the Fourth Proportional to 29,427.34, 40,609.92 and 15,998.72

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Solution

The fourth proportional to 29,427.34, 40,609.92 and 15,998.72 is: 22,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,427.34 : 40,609.92 = 15,998.72 : x
  2. Step 2: Convert to fraction form
    29,427.34/40,609.92 = 15,998.72/x
  3. Step 3: Cross multiply
    29,427.34x = 40,609.92 × 15,998.72
  4. Step 4: Simplify right side
    29,427.34x = 649,706,739.30
  5. Step 5: Solve for x
    x = 649,706,739.30/29,427.34
  6. Step 6: Final answer
    x = 22,078.34

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