Home / 27,912.82-41,870.60-11,270.77

Finding the Fourth Proportional to 27,912.82, 41,870.60 and 11,270.77

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Solution

The fourth proportional to 27,912.82, 41,870.60 and 11,270.77 is: 16,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.82 : 41,870.60 = 11,270.77 : x
  2. Step 2: Convert to fraction form
    27,912.82/41,870.60 = 11,270.77/x
  3. Step 3: Cross multiply
    27,912.82x = 41,870.60 × 11,270.77
  4. Step 4: Simplify right side
    27,912.82x = 471,913,902.36
  5. Step 5: Solve for x
    x = 471,913,902.36/27,912.82
  6. Step 6: Final answer
    x = 16,906.71

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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.