Home / 20,171.32-30,234.56-15,224.92

Finding the Fourth Proportional to 20,171.32, 30,234.56 and 15,224.92

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Solution

The fourth proportional to 20,171.32, 30,234.56 and 15,224.92 is: 22,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171.32 : 30,234.56 = 15,224.92 : x
  2. Step 2: Convert to fraction form
    20,171.32/30,234.56 = 15,224.92/x
  3. Step 3: Cross multiply
    20,171.32x = 30,234.56 × 15,224.92
  4. Step 4: Simplify right side
    20,171.32x = 460,318,757.24
  5. Step 5: Solve for x
    x = 460,318,757.24/20,171.32
  6. Step 6: Final answer
    x = 22,820.46

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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.