Home / 28,080.77-38,758.11-16,151

Finding the Fourth Proportional to 28,080.77, 38,758.11 and 16,151

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Solution

The fourth proportional to 28,080.77, 38,758.11 and 16,151 is: 22,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.77 : 38,758.11 = 16,151 : x
  2. Step 2: Convert to fraction form
    28,080.77/38,758.11 = 16,151/x
  3. Step 3: Cross multiply
    28,080.77x = 38,758.11 × 16,151
  4. Step 4: Simplify right side
    28,080.77x = 625,982,234.61
  5. Step 5: Solve for x
    x = 625,982,234.61/28,080.77
  6. Step 6: Final answer
    x = 22,292.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.