Home / 26,863.15-40,294.68-7,141.71

Finding the Fourth Proportional to 26,863.15, 40,294.68 and 7,141.71

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Solution

The fourth proportional to 26,863.15, 40,294.68 and 7,141.71 is: 10,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,863.15 : 40,294.68 = 7,141.71 : x
  2. Step 2: Convert to fraction form
    26,863.15/40,294.68 = 7,141.71/x
  3. Step 3: Cross multiply
    26,863.15x = 40,294.68 × 7,141.71
  4. Step 4: Simplify right side
    26,863.15x = 287,772,919.10
  5. Step 5: Solve for x
    x = 287,772,919.10/26,863.15
  6. Step 6: Final answer
    x = 10,712.55

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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.