Home / 27,380.82-41,055.78-8,665.56

Finding the Fourth Proportional to 27,380.82, 41,055.78 and 8,665.56

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Solution

The fourth proportional to 27,380.82, 41,055.78 and 8,665.56 is: 12,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.82 : 41,055.78 = 8,665.56 : x
  2. Step 2: Convert to fraction form
    27,380.82/41,055.78 = 8,665.56/x
  3. Step 3: Cross multiply
    27,380.82x = 41,055.78 × 8,665.56
  4. Step 4: Simplify right side
    27,380.82x = 355,771,324.94
  5. Step 5: Solve for x
    x = 355,771,324.94/27,380.82
  6. Step 6: Final answer
    x = 12,993.45

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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.