Home / 26,775.76-40,121.39-9,885.54

Finding the Fourth Proportional to 26,775.76, 40,121.39 and 9,885.54

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Solution

The fourth proportional to 26,775.76, 40,121.39 and 9,885.54 is: 14,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,775.76 : 40,121.39 = 9,885.54 : x
  2. Step 2: Convert to fraction form
    26,775.76/40,121.39 = 9,885.54/x
  3. Step 3: Cross multiply
    26,775.76x = 40,121.39 × 9,885.54
  4. Step 4: Simplify right side
    26,775.76x = 396,621,555.55
  5. Step 5: Solve for x
    x = 396,621,555.55/26,775.76
  6. Step 6: Final answer
    x = 14,812.71

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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.