Home / 20,452.62-30,633.96-16,902.39

Finding the Fourth Proportional to 20,452.62, 30,633.96 and 16,902.39

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Solution

The fourth proportional to 20,452.62, 30,633.96 and 16,902.39 is: 25,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.62 : 30,633.96 = 16,902.39 : x
  2. Step 2: Convert to fraction form
    20,452.62/30,633.96 = 16,902.39/x
  3. Step 3: Cross multiply
    20,452.62x = 30,633.96 × 16,902.39
  4. Step 4: Simplify right side
    20,452.62x = 517,787,139.16
  5. Step 5: Solve for x
    x = 517,787,139.16/20,452.62
  6. Step 6: Final answer
    x = 25,316.42

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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.