Home / 18,436.20-27,727.20-16,540.80

Finding the Fourth Proportional to 18,436.20, 27,727.20 and 16,540.80

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Solution

The fourth proportional to 18,436.20, 27,727.20 and 16,540.80 is: 24,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.20 : 27,727.20 = 16,540.80 : x
  2. Step 2: Convert to fraction form
    18,436.20/27,727.20 = 16,540.80/x
  3. Step 3: Cross multiply
    18,436.20x = 27,727.20 × 16,540.80
  4. Step 4: Simplify right side
    18,436.20x = 458,630,069.76
  5. Step 5: Solve for x
    x = 458,630,069.76/18,436.20
  6. Step 6: Final answer
    x = 24,876.61

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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.