Home / 38,255.88-57,383.82-11,960.76

Finding the Fourth Proportional to 38,255.88, 57,383.82 and 11,960.76

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Solution

The fourth proportional to 38,255.88, 57,383.82 and 11,960.76 is: 17,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.88 : 57,383.82 = 11,960.76 : x
  2. Step 2: Convert to fraction form
    38,255.88/57,383.82 = 11,960.76/x
  3. Step 3: Cross multiply
    38,255.88x = 57,383.82 × 11,960.76
  4. Step 4: Simplify right side
    38,255.88x = 686,354,098.90
  5. Step 5: Solve for x
    x = 686,354,098.90/38,255.88
  6. Step 6: Final answer
    x = 17,941.14

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1.5x scale

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.