Home / 27,845.53-41,789.05-11,205.70

Finding the Fourth Proportional to 27,845.53, 41,789.05 and 11,205.70

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Solution

The fourth proportional to 27,845.53, 41,789.05 and 11,205.70 is: 16,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.53 : 41,789.05 = 11,205.70 : x
  2. Step 2: Convert to fraction form
    27,845.53/41,789.05 = 11,205.70/x
  3. Step 3: Cross multiply
    27,845.53x = 41,789.05 × 11,205.70
  4. Step 4: Simplify right side
    27,845.53x = 468,275,557.59
  5. Step 5: Solve for x
    x = 468,275,557.59/27,845.53
  6. Step 6: Final answer
    x = 16,816.90

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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.