Home / 25,752.85-38,635.27-7,982.57

Finding the Fourth Proportional to 25,752.85, 38,635.27 and 7,982.57

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Solution

The fourth proportional to 25,752.85, 38,635.27 and 7,982.57 is: 11,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,752.85 : 38,635.27 = 7,982.57 : x
  2. Step 2: Convert to fraction form
    25,752.85/38,635.27 = 7,982.57/x
  3. Step 3: Cross multiply
    25,752.85x = 38,635.27 × 7,982.57
  4. Step 4: Simplify right side
    25,752.85x = 308,408,610.74
  5. Step 5: Solve for x
    x = 308,408,610.74/25,752.85
  6. Step 6: Final answer
    x = 11,975.71

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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.