Home / 26,718.75-40,078.68-8,250.75

Finding the Fourth Proportional to 26,718.75, 40,078.68 and 8,250.75

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Solution

The fourth proportional to 26,718.75, 40,078.68 and 8,250.75 is: 12,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,718.75 : 40,078.68 = 8,250.75 : x
  2. Step 2: Convert to fraction form
    26,718.75/40,078.68 = 8,250.75/x
  3. Step 3: Cross multiply
    26,718.75x = 40,078.68 × 8,250.75
  4. Step 4: Simplify right side
    26,718.75x = 330,679,169.01
  5. Step 5: Solve for x
    x = 330,679,169.01/26,718.75
  6. Step 6: Final answer
    x = 12,376.30

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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.