Home / 27,578.04-41,359.72-11,992

Finding the Fourth Proportional to 27,578.04, 41,359.72 and 11,992

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Solution

The fourth proportional to 27,578.04, 41,359.72 and 11,992 is: 17,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.04 : 41,359.72 = 11,992 : x
  2. Step 2: Convert to fraction form
    27,578.04/41,359.72 = 11,992/x
  3. Step 3: Cross multiply
    27,578.04x = 41,359.72 × 11,992
  4. Step 4: Simplify right side
    27,578.04x = 495,985,762.24
  5. Step 5: Solve for x
    x = 495,985,762.24/27,578.04
  6. Step 6: Final answer
    x = 17,984.81

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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.