Home / 26,517.78-39,770.54-11,718.64

Finding the Fourth Proportional to 26,517.78, 39,770.54 and 11,718.64

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Solution

The fourth proportional to 26,517.78, 39,770.54 and 11,718.64 is: 17,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,517.78 : 39,770.54 = 11,718.64 : x
  2. Step 2: Convert to fraction form
    26,517.78/39,770.54 = 11,718.64/x
  3. Step 3: Cross multiply
    26,517.78x = 39,770.54 × 11,718.64
  4. Step 4: Simplify right side
    26,517.78x = 466,056,640.87
  5. Step 5: Solve for x
    x = 466,056,640.87/26,517.78
  6. Step 6: Final answer
    x = 17,575.25

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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.