Home / 27,913.96-41,872.38-7,137.64

Finding the Fourth Proportional to 27,913.96, 41,872.38 and 7,137.64

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Solution

The fourth proportional to 27,913.96, 41,872.38 and 7,137.64 is: 10,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.96 : 41,872.38 = 7,137.64 : x
  2. Step 2: Convert to fraction form
    27,913.96/41,872.38 = 7,137.64/x
  3. Step 3: Cross multiply
    27,913.96x = 41,872.38 × 7,137.64
  4. Step 4: Simplify right side
    27,913.96x = 298,869,974.38
  5. Step 5: Solve for x
    x = 298,869,974.38/27,913.96
  6. Step 6: Final answer
    x = 10,706.83

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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.