Home / 27,757.28-41,561.94-21,692.90

Finding the Fourth Proportional to 27,757.28, 41,561.94 and 21,692.90

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Solution

The fourth proportional to 27,757.28, 41,561.94 and 21,692.90 is: 32,481.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,757.28 : 41,561.94 = 21,692.90 : x
  2. Step 2: Convert to fraction form
    27,757.28/41,561.94 = 21,692.90/x
  3. Step 3: Cross multiply
    27,757.28x = 41,561.94 × 21,692.90
  4. Step 4: Simplify right side
    27,757.28x = 901,599,008.23
  5. Step 5: Solve for x
    x = 901,599,008.23/27,757.28
  6. Step 6: Final answer
    x = 32,481.53

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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.