Home / 27,861.78-41,792.53-9,863.36

Finding the Fourth Proportional to 27,861.78, 41,792.53 and 9,863.36

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Solution

The fourth proportional to 27,861.78, 41,792.53 and 9,863.36 is: 14,794.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861.78 : 41,792.53 = 9,863.36 : x
  2. Step 2: Convert to fraction form
    27,861.78/41,792.53 = 9,863.36/x
  3. Step 3: Cross multiply
    27,861.78x = 41,792.53 × 9,863.36
  4. Step 4: Simplify right side
    27,861.78x = 412,214,768.70
  5. Step 5: Solve for x
    x = 412,214,768.70/27,861.78
  6. Step 6: Final answer
    x = 14,794.99

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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.