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Finding the Fourth Proportional to 27,889.67, 41,834.54 and 19,606.73

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Solution

The fourth proportional to 27,889.67, 41,834.54 and 19,606.73 is: 29,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,889.67 : 41,834.54 = 19,606.73 : x
  2. Step 2: Convert to fraction form
    27,889.67/41,834.54 = 19,606.73/x
  3. Step 3: Cross multiply
    27,889.67x = 41,834.54 × 19,606.73
  4. Step 4: Simplify right side
    27,889.67x = 820,238,370.30
  5. Step 5: Solve for x
    x = 820,238,370.30/27,889.67
  6. Step 6: Final answer
    x = 29,410.11

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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.