Home / 26,863.92-40,284-12,072.24

Finding the Fourth Proportional to 26,863.92, 40,284 and 12,072.24

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Solution

The fourth proportional to 26,863.92, 40,284 and 12,072.24 is: 18,103.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,863.92 : 40,284 = 12,072.24 : x
  2. Step 2: Convert to fraction form
    26,863.92/40,284 = 12,072.24/x
  3. Step 3: Cross multiply
    26,863.92x = 40,284 × 12,072.24
  4. Step 4: Simplify right side
    26,863.92x = 486,318,116.16
  5. Step 5: Solve for x
    x = 486,318,116.16/26,863.92
  6. Step 6: Final answer
    x = 18,103.02

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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.