Home / 26,686.97-40,025.91-8,915.62

Finding the Fourth Proportional to 26,686.97, 40,025.91 and 8,915.62

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Solution

The fourth proportional to 26,686.97, 40,025.91 and 8,915.62 is: 13,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,686.97 : 40,025.91 = 8,915.62 : x
  2. Step 2: Convert to fraction form
    26,686.97/40,025.91 = 8,915.62/x
  3. Step 3: Cross multiply
    26,686.97x = 40,025.91 × 8,915.62
  4. Step 4: Simplify right side
    26,686.97x = 356,855,559.01
  5. Step 5: Solve for x
    x = 356,855,559.01/26,686.97
  6. Step 6: Final answer
    x = 13,371.90

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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.