Home / 20,589.60-30,841.20-16,186.08

Finding the Fourth Proportional to 20,589.60, 30,841.20 and 16,186.08

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Solution

The fourth proportional to 20,589.60, 30,841.20 and 16,186.08 is: 24,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589.60 : 30,841.20 = 16,186.08 : x
  2. Step 2: Convert to fraction form
    20,589.60/30,841.20 = 16,186.08/x
  3. Step 3: Cross multiply
    20,589.60x = 30,841.20 × 16,186.08
  4. Step 4: Simplify right side
    20,589.60x = 499,198,130.50
  5. Step 5: Solve for x
    x = 499,198,130.50/20,589.60
  6. Step 6: Final answer
    x = 24,245.16

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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.