Home / 28,252.18-42,370.44-8,531.38

Finding the Fourth Proportional to 28,252.18, 42,370.44 and 8,531.38

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Solution

The fourth proportional to 28,252.18, 42,370.44 and 8,531.38 is: 12,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.18 : 42,370.44 = 8,531.38 : x
  2. Step 2: Convert to fraction form
    28,252.18/42,370.44 = 8,531.38/x
  3. Step 3: Cross multiply
    28,252.18x = 42,370.44 × 8,531.38
  4. Step 4: Simplify right side
    28,252.18x = 361,478,324.41
  5. Step 5: Solve for x
    x = 361,478,324.41/28,252.18
  6. Step 6: Final answer
    x = 12,794.71

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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.