Home / 36,428.80-54,613.20-16,439.60

Finding the Fourth Proportional to 36,428.80, 54,613.20 and 16,439.60

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Solution

The fourth proportional to 36,428.80, 54,613.20 and 16,439.60 is: 24,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,428.80 : 54,613.20 = 16,439.60 : x
  2. Step 2: Convert to fraction form
    36,428.80/54,613.20 = 16,439.60/x
  3. Step 3: Cross multiply
    36,428.80x = 54,613.20 × 16,439.60
  4. Step 4: Simplify right side
    36,428.80x = 897,819,162.72
  5. Step 5: Solve for x
    x = 897,819,162.72/36,428.80
  6. Step 6: Final answer
    x = 24,645.86

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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.