Home / 27,419.75-41,130.30-8,951.75

Finding the Fourth Proportional to 27,419.75, 41,130.30 and 8,951.75

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Solution

The fourth proportional to 27,419.75, 41,130.30 and 8,951.75 is: 13,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.75 : 41,130.30 = 8,951.75 : x
  2. Step 2: Convert to fraction form
    27,419.75/41,130.30 = 8,951.75/x
  3. Step 3: Cross multiply
    27,419.75x = 41,130.30 × 8,951.75
  4. Step 4: Simplify right side
    27,419.75x = 368,188,163.03
  5. Step 5: Solve for x
    x = 368,188,163.03/27,419.75
  6. Step 6: Final answer
    x = 13,427.85

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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.