Home / 16,515.20-24,801.60-15,996.80

Finding the Fourth Proportional to 16,515.20, 24,801.60 and 15,996.80

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Solution

The fourth proportional to 16,515.20, 24,801.60 and 15,996.80 is: 24,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.20 : 24,801.60 = 15,996.80 : x
  2. Step 2: Convert to fraction form
    16,515.20/24,801.60 = 15,996.80/x
  3. Step 3: Cross multiply
    16,515.20x = 24,801.60 × 15,996.80
  4. Step 4: Simplify right side
    16,515.20x = 396,746,234.88
  5. Step 5: Solve for x
    x = 396,746,234.88/16,515.20
  6. Step 6: Final answer
    x = 24,023.10

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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.