Home / 26,121.78-39,190.26-9,481.55

Finding the Fourth Proportional to 26,121.78, 39,190.26 and 9,481.55

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Solution

The fourth proportional to 26,121.78, 39,190.26 and 9,481.55 is: 14,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.78 : 39,190.26 = 9,481.55 : x
  2. Step 2: Convert to fraction form
    26,121.78/39,190.26 = 9,481.55/x
  3. Step 3: Cross multiply
    26,121.78x = 39,190.26 × 9,481.55
  4. Step 4: Simplify right side
    26,121.78x = 371,584,213.75
  5. Step 5: Solve for x
    x = 371,584,213.75/26,121.78
  6. Step 6: Final answer
    x = 14,225.07

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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.