Home / 26,255.16-39,382.20-8,725.16

Finding the Fourth Proportional to 26,255.16, 39,382.20 and 8,725.16

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Solution

The fourth proportional to 26,255.16, 39,382.20 and 8,725.16 is: 13,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.16 : 39,382.20 = 8,725.16 : x
  2. Step 2: Convert to fraction form
    26,255.16/39,382.20 = 8,725.16/x
  3. Step 3: Cross multiply
    26,255.16x = 39,382.20 × 8,725.16
  4. Step 4: Simplify right side
    26,255.16x = 343,615,996.15
  5. Step 5: Solve for x
    x = 343,615,996.15/26,255.16
  6. Step 6: Final answer
    x = 13,087.56

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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.