Home / 26,865.26-40,304.72-15,781.32

Finding the Fourth Proportional to 26,865.26, 40,304.72 and 15,781.32

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Solution

The fourth proportional to 26,865.26, 40,304.72 and 15,781.32 is: 23,675.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,865.26 : 40,304.72 = 15,781.32 : x
  2. Step 2: Convert to fraction form
    26,865.26/40,304.72 = 15,781.32/x
  3. Step 3: Cross multiply
    26,865.26x = 40,304.72 × 15,781.32
  4. Step 4: Simplify right side
    26,865.26x = 636,061,604.92
  5. Step 5: Solve for x
    x = 636,061,604.92/26,865.26
  6. Step 6: Final answer
    x = 23,675.99

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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.