Home / 18,549.32-27,658.54-16,488.68

Finding the Fourth Proportional to 18,549.32, 27,658.54 and 16,488.68

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Solution

The fourth proportional to 18,549.32, 27,658.54 and 16,488.68 is: 24,585.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.32 : 27,658.54 = 16,488.68 : x
  2. Step 2: Convert to fraction form
    18,549.32/27,658.54 = 16,488.68/x
  3. Step 3: Cross multiply
    18,549.32x = 27,658.54 × 16,488.68
  4. Step 4: Simplify right side
    18,549.32x = 456,052,732.88
  5. Step 5: Solve for x
    x = 456,052,732.88/18,549.32
  6. Step 6: Final answer
    x = 24,585.95

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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.