Home / 25,862.52-38,799.87-8,331.72

Finding the Fourth Proportional to 25,862.52, 38,799.87 and 8,331.72

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Solution

The fourth proportional to 25,862.52, 38,799.87 and 8,331.72 is: 12,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,862.52 : 38,799.87 = 8,331.72 : x
  2. Step 2: Convert to fraction form
    25,862.52/38,799.87 = 8,331.72/x
  3. Step 3: Cross multiply
    25,862.52x = 38,799.87 × 8,331.72
  4. Step 4: Simplify right side
    25,862.52x = 323,269,652.88
  5. Step 5: Solve for x
    x = 323,269,652.88/25,862.52
  6. Step 6: Final answer
    x = 12,499.54

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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.