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Finding the Fourth Proportional to 18,682, 28,025.69 and 5,532.64

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Solution

The fourth proportional to 18,682, 28,025.69 and 5,532.64 is: 8,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682 : 28,025.69 = 5,532.64 : x
  2. Step 2: Convert to fraction form
    18,682/28,025.69 = 5,532.64/x
  3. Step 3: Cross multiply
    18,682x = 28,025.69 × 5,532.64
  4. Step 4: Simplify right side
    18,682x = 155,056,053.52
  5. Step 5: Solve for x
    x = 155,056,053.52/18,682
  6. Step 6: Final answer
    x = 8,299.76

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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.