Home / 18,824.52-28,239.45-5,677.92

Finding the Fourth Proportional to 18,824.52, 28,239.45 and 5,677.92

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Solution

The fourth proportional to 18,824.52, 28,239.45 and 5,677.92 is: 8,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.52 : 28,239.45 = 5,677.92 : x
  2. Step 2: Convert to fraction form
    18,824.52/28,239.45 = 5,677.92/x
  3. Step 3: Cross multiply
    18,824.52x = 28,239.45 × 5,677.92
  4. Step 4: Simplify right side
    18,824.52x = 160,341,337.94
  5. Step 5: Solve for x
    x = 160,341,337.94/18,824.52
  6. Step 6: Final answer
    x = 8,517.69

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1.5x scale

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.