Home / 27,568.69-41,353.03-11,986.31

Finding the Fourth Proportional to 27,568.69, 41,353.03 and 11,986.31

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Solution

The fourth proportional to 27,568.69, 41,353.03 and 11,986.31 is: 17,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,568.69 : 41,353.03 = 11,986.31 : x
  2. Step 2: Convert to fraction form
    27,568.69/41,353.03 = 11,986.31/x
  3. Step 3: Cross multiply
    27,568.69x = 41,353.03 × 11,986.31
  4. Step 4: Simplify right side
    27,568.69x = 495,670,355.38
  5. Step 5: Solve for x
    x = 495,670,355.38/27,568.69
  6. Step 6: Final answer
    x = 17,979.47

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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.