Home / 27,311.29-40,965.10-7,589.41

Finding the Fourth Proportional to 27,311.29, 40,965.10 and 7,589.41

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Solution

The fourth proportional to 27,311.29, 40,965.10 and 7,589.41 is: 11,383.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.29 : 40,965.10 = 7,589.41 : x
  2. Step 2: Convert to fraction form
    27,311.29/40,965.10 = 7,589.41/x
  3. Step 3: Cross multiply
    27,311.29x = 40,965.10 × 7,589.41
  4. Step 4: Simplify right side
    27,311.29x = 310,900,939.59
  5. Step 5: Solve for x
    x = 310,900,939.59/27,311.29
  6. Step 6: Final answer
    x = 11,383.61

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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.