Home / 16,187.20-24,280.80-15,539.20

Finding the Fourth Proportional to 16,187.20, 24,280.80 and 15,539.20

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Solution

The fourth proportional to 16,187.20, 24,280.80 and 15,539.20 is: 23,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,187.20 : 24,280.80 = 15,539.20 : x
  2. Step 2: Convert to fraction form
    16,187.20/24,280.80 = 15,539.20/x
  3. Step 3: Cross multiply
    16,187.20x = 24,280.80 × 15,539.20
  4. Step 4: Simplify right side
    16,187.20x = 377,304,207.36
  5. Step 5: Solve for x
    x = 377,304,207.36/16,187.20
  6. Step 6: Final answer
    x = 23,308.80

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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.