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Finding the Fourth Proportional to 22,540.85, 33,800.27 and 7,745.79

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Solution

The fourth proportional to 22,540.85, 33,800.27 and 7,745.79 is: 11,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,540.85 : 33,800.27 = 7,745.79 : x
  2. Step 2: Convert to fraction form
    22,540.85/33,800.27 = 7,745.79/x
  3. Step 3: Cross multiply
    22,540.85x = 33,800.27 × 7,745.79
  4. Step 4: Simplify right side
    22,540.85x = 261,809,754.63
  5. Step 5: Solve for x
    x = 261,809,754.63/22,540.85
  6. Step 6: Final answer
    x = 11,614.90

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1.5x scale

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.