Home / 27,661.09-41,491.66-11,855.87

Finding the Fourth Proportional to 27,661.09, 41,491.66 and 11,855.87

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Solution

The fourth proportional to 27,661.09, 41,491.66 and 11,855.87 is: 17,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,661.09 : 41,491.66 = 11,855.87 : x
  2. Step 2: Convert to fraction form
    27,661.09/41,491.66 = 11,855.87/x
  3. Step 3: Cross multiply
    27,661.09x = 41,491.66 × 11,855.87
  4. Step 4: Simplify right side
    27,661.09x = 491,919,549.23
  5. Step 5: Solve for x
    x = 491,919,549.23/27,661.09
  6. Step 6: Final answer
    x = 17,783.81

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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.