Home / 27,825.48-41,692.32-20,432.88

Finding the Fourth Proportional to 27,825.48, 41,692.32 and 20,432.88

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Solution

The fourth proportional to 27,825.48, 41,692.32 and 20,432.88 is: 30,615.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.48 : 41,692.32 = 20,432.88 : x
  2. Step 2: Convert to fraction form
    27,825.48/41,692.32 = 20,432.88/x
  3. Step 3: Cross multiply
    27,825.48x = 41,692.32 × 20,432.88
  4. Step 4: Simplify right side
    27,825.48x = 851,894,171.48
  5. Step 5: Solve for x
    x = 851,894,171.48/27,825.48
  6. Step 6: Final answer
    x = 30,615.61

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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.