Home / 27,491.76-41,238.87-20,018.61

Finding the Fourth Proportional to 27,491.76, 41,238.87 and 20,018.61

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Solution

The fourth proportional to 27,491.76, 41,238.87 and 20,018.61 is: 30,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,491.76 : 41,238.87 = 20,018.61 : x
  2. Step 2: Convert to fraction form
    27,491.76/41,238.87 = 20,018.61/x
  3. Step 3: Cross multiply
    27,491.76x = 41,238.87 × 20,018.61
  4. Step 4: Simplify right side
    27,491.76x = 825,544,855.37
  5. Step 5: Solve for x
    x = 825,544,855.37/27,491.76
  6. Step 6: Final answer
    x = 30,028.81

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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.