Home / 27,838.69-41,749.83-8,112.56

Finding the Fourth Proportional to 27,838.69, 41,749.83 and 8,112.56

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Solution

The fourth proportional to 27,838.69, 41,749.83 and 8,112.56 is: 12,166.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,838.69 : 41,749.83 = 8,112.56 : x
  2. Step 2: Convert to fraction form
    27,838.69/41,749.83 = 8,112.56/x
  3. Step 3: Cross multiply
    27,838.69x = 41,749.83 × 8,112.56
  4. Step 4: Simplify right side
    27,838.69x = 338,697,792.12
  5. Step 5: Solve for x
    x = 338,697,792.12/27,838.69
  6. Step 6: Final answer
    x = 12,166.44

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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.