Home / 26,980.50-40,443.42-11,163.69

Finding the Fourth Proportional to 26,980.50, 40,443.42 and 11,163.69

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Solution

The fourth proportional to 26,980.50, 40,443.42 and 11,163.69 is: 16,734.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980.50 : 40,443.42 = 11,163.69 : x
  2. Step 2: Convert to fraction form
    26,980.50/40,443.42 = 11,163.69/x
  3. Step 3: Cross multiply
    26,980.50x = 40,443.42 × 11,163.69
  4. Step 4: Simplify right side
    26,980.50x = 451,497,803.42
  5. Step 5: Solve for x
    x = 451,497,803.42/26,980.50
  6. Step 6: Final answer
    x = 16,734.23

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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.