Home / 18,682.20-27,940.68-16,616.70

Finding the Fourth Proportional to 18,682.20, 27,940.68 and 16,616.70

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Solution

The fourth proportional to 18,682.20, 27,940.68 and 16,616.70 is: 24,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.20 : 27,940.68 = 16,616.70 : x
  2. Step 2: Convert to fraction form
    18,682.20/27,940.68 = 16,616.70/x
  3. Step 3: Cross multiply
    18,682.20x = 27,940.68 × 16,616.70
  4. Step 4: Simplify right side
    18,682.20x = 464,281,897.36
  5. Step 5: Solve for x
    x = 464,281,897.36/18,682.20
  6. Step 6: Final answer
    x = 24,851.56

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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.