Home / 26,660.20-39,981.84-11,074

Finding the Fourth Proportional to 26,660.20, 39,981.84 and 11,074

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Solution

The fourth proportional to 26,660.20, 39,981.84 and 11,074 is: 16,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.20 : 39,981.84 = 11,074 : x
  2. Step 2: Convert to fraction form
    26,660.20/39,981.84 = 11,074/x
  3. Step 3: Cross multiply
    26,660.20x = 39,981.84 × 11,074
  4. Step 4: Simplify right side
    26,660.20x = 442,758,896.16
  5. Step 5: Solve for x
    x = 442,758,896.16/26,660.20
  6. Step 6: Final answer
    x = 16,607.49

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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.