Home / 27,857.78-41,747.37-15,383.42

Finding the Fourth Proportional to 27,857.78, 41,747.37 and 15,383.42

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Solution

The fourth proportional to 27,857.78, 41,747.37 and 15,383.42 is: 23,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,857.78 : 41,747.37 = 15,383.42 : x
  2. Step 2: Convert to fraction form
    27,857.78/41,747.37 = 15,383.42/x
  3. Step 3: Cross multiply
    27,857.78x = 41,747.37 × 15,383.42
  4. Step 4: Simplify right side
    27,857.78x = 642,217,117.87
  5. Step 5: Solve for x
    x = 642,217,117.87/27,857.78
  6. Step 6: Final answer
    x = 23,053.42

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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.