Home / 27,917.78-38,526.66-15,171.03

Finding the Fourth Proportional to 27,917.78, 38,526.66 and 15,171.03

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Solution

The fourth proportional to 27,917.78, 38,526.66 and 15,171.03 is: 20,936.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.78 : 38,526.66 = 15,171.03 : x
  2. Step 2: Convert to fraction form
    27,917.78/38,526.66 = 15,171.03/x
  3. Step 3: Cross multiply
    27,917.78x = 38,526.66 × 15,171.03
  4. Step 4: Simplify right side
    27,917.78x = 584,489,114.66
  5. Step 5: Solve for x
    x = 584,489,114.66/27,917.78
  6. Step 6: Final answer
    x = 20,936.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.