Home / 18,811.52-28,079.92-17,441

Finding the Fourth Proportional to 18,811.52, 28,079.92 and 17,441

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Solution

The fourth proportional to 18,811.52, 28,079.92 and 17,441 is: 26,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811.52 : 28,079.92 = 17,441 : x
  2. Step 2: Convert to fraction form
    18,811.52/28,079.92 = 17,441/x
  3. Step 3: Cross multiply
    18,811.52x = 28,079.92 × 17,441
  4. Step 4: Simplify right side
    18,811.52x = 489,741,884.72
  5. Step 5: Solve for x
    x = 489,741,884.72/18,811.52
  6. Step 6: Final answer
    x = 26,034.15

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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.