Home / 18,321.40-27,482.10-16,132.60

Finding the Fourth Proportional to 18,321.40, 27,482.10 and 16,132.60

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Solution

The fourth proportional to 18,321.40, 27,482.10 and 16,132.60 is: 24,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.40 : 27,482.10 = 16,132.60 : x
  2. Step 2: Convert to fraction form
    18,321.40/27,482.10 = 16,132.60/x
  3. Step 3: Cross multiply
    18,321.40x = 27,482.10 × 16,132.60
  4. Step 4: Simplify right side
    18,321.40x = 443,357,726.46
  5. Step 5: Solve for x
    x = 443,357,726.46/18,321.40
  6. Step 6: Final answer
    x = 24,198.90

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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.