Home / 27,581.40-41,382.12-13,539.94

Finding the Fourth Proportional to 27,581.40, 41,382.12 and 13,539.94

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Solution

The fourth proportional to 27,581.40, 41,382.12 and 13,539.94 is: 20,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.40 : 41,382.12 = 13,539.94 : x
  2. Step 2: Convert to fraction form
    27,581.40/41,382.12 = 13,539.94/x
  3. Step 3: Cross multiply
    27,581.40x = 41,382.12 × 13,539.94
  4. Step 4: Simplify right side
    27,581.40x = 560,311,421.87
  5. Step 5: Solve for x
    x = 560,311,421.87/27,581.40
  6. Step 6: Final answer
    x = 20,314.83

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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.