Home / 20,259.23-30,388.85-16,789.19

Finding the Fourth Proportional to 20,259.23, 30,388.85 and 16,789.19

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Solution

The fourth proportional to 20,259.23, 30,388.85 and 16,789.19 is: 25,183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.23 : 30,388.85 = 16,789.19 : x
  2. Step 2: Convert to fraction form
    20,259.23/30,388.85 = 16,789.19/x
  3. Step 3: Cross multiply
    20,259.23x = 30,388.85 × 16,789.19
  4. Step 4: Simplify right side
    20,259.23x = 510,204,294.48
  5. Step 5: Solve for x
    x = 510,204,294.48/20,259.23
  6. Step 6: Final answer
    x = 25,183.79

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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.