Home / 26,255.54-39,344.40-21,608.57

Finding the Fourth Proportional to 26,255.54, 39,344.40 and 21,608.57

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Solution

The fourth proportional to 26,255.54, 39,344.40 and 21,608.57 is: 32,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.54 : 39,344.40 = 21,608.57 : x
  2. Step 2: Convert to fraction form
    26,255.54/39,344.40 = 21,608.57/x
  3. Step 3: Cross multiply
    26,255.54x = 39,344.40 × 21,608.57
  4. Step 4: Simplify right side
    26,255.54x = 850,176,024.79
  5. Step 5: Solve for x
    x = 850,176,024.79/26,255.54
  6. Step 6: Final answer
    x = 32,380.83

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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.