Home / 26,900.75-40,357.61-8,432.75

Finding the Fourth Proportional to 26,900.75, 40,357.61 and 8,432.75

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Solution

The fourth proportional to 26,900.75, 40,357.61 and 8,432.75 is: 12,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,900.75 : 40,357.61 = 8,432.75 : x
  2. Step 2: Convert to fraction form
    26,900.75/40,357.61 = 8,432.75/x
  3. Step 3: Cross multiply
    26,900.75x = 40,357.61 × 8,432.75
  4. Step 4: Simplify right side
    26,900.75x = 340,325,635.73
  5. Step 5: Solve for x
    x = 340,325,635.73/26,900.75
  6. Step 6: Final answer
    x = 12,651.16

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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.