Home / 26,287.85-39,425.88-7,563.71

Finding the Fourth Proportional to 26,287.85, 39,425.88 and 7,563.71

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Solution

The fourth proportional to 26,287.85, 39,425.88 and 7,563.71 is: 11,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.85 : 39,425.88 = 7,563.71 : x
  2. Step 2: Convert to fraction form
    26,287.85/39,425.88 = 7,563.71/x
  3. Step 3: Cross multiply
    26,287.85x = 39,425.88 × 7,563.71
  4. Step 4: Simplify right side
    26,287.85x = 298,206,021.38
  5. Step 5: Solve for x
    x = 298,206,021.38/26,287.85
  6. Step 6: Final answer
    x = 11,343.87

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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.