Home / 18,550.57-27,660.38-16,489.93

Finding the Fourth Proportional to 18,550.57, 27,660.38 and 16,489.93

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Solution

The fourth proportional to 18,550.57, 27,660.38 and 16,489.93 is: 24,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.57 : 27,660.38 = 16,489.93 : x
  2. Step 2: Convert to fraction form
    18,550.57/27,660.38 = 16,489.93/x
  3. Step 3: Cross multiply
    18,550.57x = 27,660.38 × 16,489.93
  4. Step 4: Simplify right side
    18,550.57x = 456,117,729.97
  5. Step 5: Solve for x
    x = 456,117,729.97/18,550.57
  6. Step 6: Final answer
    x = 24,587.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.