Home / 27,815.75-41,654.43-19,456.63

Finding the Fourth Proportional to 27,815.75, 41,654.43 and 19,456.63

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Solution

The fourth proportional to 27,815.75, 41,654.43 and 19,456.63 is: 29,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,815.75 : 41,654.43 = 19,456.63 : x
  2. Step 2: Convert to fraction form
    27,815.75/41,654.43 = 19,456.63/x
  3. Step 3: Cross multiply
    27,815.75x = 41,654.43 × 19,456.63
  4. Step 4: Simplify right side
    27,815.75x = 810,454,842.82
  5. Step 5: Solve for x
    x = 810,454,842.82/27,815.75
  6. Step 6: Final answer
    x = 29,136.54

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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.