Home / 20,251.12-30,388.24-16,173.04

Finding the Fourth Proportional to 20,251.12, 30,388.24 and 16,173.04

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Solution

The fourth proportional to 20,251.12, 30,388.24 and 16,173.04 is: 24,268.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.12 : 30,388.24 = 16,173.04 : x
  2. Step 2: Convert to fraction form
    20,251.12/30,388.24 = 16,173.04/x
  3. Step 3: Cross multiply
    20,251.12x = 30,388.24 × 16,173.04
  4. Step 4: Simplify right side
    20,251.12x = 491,470,221.05
  5. Step 5: Solve for x
    x = 491,470,221.05/20,251.12
  6. Step 6: Final answer
    x = 24,268.79

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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.