Home / 27,917.15-38,525.82-15,170.43

Finding the Fourth Proportional to 27,917.15, 38,525.82 and 15,170.43

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Solution

The fourth proportional to 27,917.15, 38,525.82 and 15,170.43 is: 20,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.15 : 38,525.82 = 15,170.43 : x
  2. Step 2: Convert to fraction form
    27,917.15/38,525.82 = 15,170.43/x
  3. Step 3: Cross multiply
    27,917.15x = 38,525.82 × 15,170.43
  4. Step 4: Simplify right side
    27,917.15x = 584,453,255.50
  5. Step 5: Solve for x
    x = 584,453,255.50/27,917.15
  6. Step 6: Final answer
    x = 20,935.28

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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.