Home / 27,445.70-41,170.98-7,724.43

Finding the Fourth Proportional to 27,445.70, 41,170.98 and 7,724.43

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Solution

The fourth proportional to 27,445.70, 41,170.98 and 7,724.43 is: 11,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,445.70 : 41,170.98 = 7,724.43 : x
  2. Step 2: Convert to fraction form
    27,445.70/41,170.98 = 7,724.43/x
  3. Step 3: Cross multiply
    27,445.70x = 41,170.98 × 7,724.43
  4. Step 4: Simplify right side
    27,445.70x = 318,022,382.01
  5. Step 5: Solve for x
    x = 318,022,382.01/27,445.70
  6. Step 6: Final answer
    x = 11,587.33

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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.