Home / 27,181.13-40,766.99-7,190.87

Finding the Fourth Proportional to 27,181.13, 40,766.99 and 7,190.87

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Solution

The fourth proportional to 27,181.13, 40,766.99 and 7,190.87 is: 10,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,181.13 : 40,766.99 = 7,190.87 : x
  2. Step 2: Convert to fraction form
    27,181.13/40,766.99 = 7,190.87/x
  3. Step 3: Cross multiply
    27,181.13x = 40,766.99 × 7,190.87
  4. Step 4: Simplify right side
    27,181.13x = 293,149,885.59
  5. Step 5: Solve for x
    x = 293,149,885.59/27,181.13
  6. Step 6: Final answer
    x = 10,785.05

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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.