Home / 27,187.11-40,775.81-7,196.72

Finding the Fourth Proportional to 27,187.11, 40,775.81 and 7,196.72

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Solution

The fourth proportional to 27,187.11, 40,775.81 and 7,196.72 is: 10,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.11 : 40,775.81 = 7,196.72 : x
  2. Step 2: Convert to fraction form
    27,187.11/40,775.81 = 7,196.72/x
  3. Step 3: Cross multiply
    27,187.11x = 40,775.81 × 7,196.72
  4. Step 4: Simplify right side
    27,187.11x = 293,451,847.48
  5. Step 5: Solve for x
    x = 293,451,847.48/27,187.11
  6. Step 6: Final answer
    x = 10,793.79

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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.