Home / 26,258.72-39,388.09-8,728.55

Finding the Fourth Proportional to 26,258.72, 39,388.09 and 8,728.55

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Solution

The fourth proportional to 26,258.72, 39,388.09 and 8,728.55 is: 13,092.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,258.72 : 39,388.09 = 8,728.55 : x
  2. Step 2: Convert to fraction form
    26,258.72/39,388.09 = 8,728.55/x
  3. Step 3: Cross multiply
    26,258.72x = 39,388.09 × 8,728.55
  4. Step 4: Simplify right side
    26,258.72x = 343,800,912.97
  5. Step 5: Solve for x
    x = 343,800,912.97/26,258.72
  6. Step 6: Final answer
    x = 13,092.83

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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.