Home / 28,079.52-42,098.10-16,983.84

Finding the Fourth Proportional to 28,079.52, 42,098.10 and 16,983.84

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Solution

The fourth proportional to 28,079.52, 42,098.10 and 16,983.84 is: 25,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.52 : 42,098.10 = 16,983.84 : x
  2. Step 2: Convert to fraction form
    28,079.52/42,098.10 = 16,983.84/x
  3. Step 3: Cross multiply
    28,079.52x = 42,098.10 × 16,983.84
  4. Step 4: Simplify right side
    28,079.52x = 714,987,394.70
  5. Step 5: Solve for x
    x = 714,987,394.70/28,079.52
  6. Step 6: Final answer
    x = 25,462.95

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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.