Home / 27,912.68-41,870.37-11,270.63

Finding the Fourth Proportional to 27,912.68, 41,870.37 and 11,270.63

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Solution

The fourth proportional to 27,912.68, 41,870.37 and 11,270.63 is: 16,906.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.68 : 41,870.37 = 11,270.63 : x
  2. Step 2: Convert to fraction form
    27,912.68/41,870.37 = 11,270.63/x
  3. Step 3: Cross multiply
    27,912.68x = 41,870.37 × 11,270.63
  4. Step 4: Simplify right side
    27,912.68x = 471,905,238.88
  5. Step 5: Solve for x
    x = 471,905,238.88/27,912.68
  6. Step 6: Final answer
    x = 16,906.49

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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.