Home / 27,732.48-41,589.60-13,872

Finding the Fourth Proportional to 27,732.48, 41,589.60 and 13,872

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Solution

The fourth proportional to 27,732.48, 41,589.60 and 13,872 is: 20,803.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.48 : 41,589.60 = 13,872 : x
  2. Step 2: Convert to fraction form
    27,732.48/41,589.60 = 13,872/x
  3. Step 3: Cross multiply
    27,732.48x = 41,589.60 × 13,872
  4. Step 4: Simplify right side
    27,732.48x = 576,930,931.20
  5. Step 5: Solve for x
    x = 576,930,931.20/27,732.48
  6. Step 6: Final answer
    x = 20,803.44

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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.