Home / 27,960.64-41,945.28-10,192.80

Finding the Fourth Proportional to 27,960.64, 41,945.28 and 10,192.80

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Solution

The fourth proportional to 27,960.64, 41,945.28 and 10,192.80 is: 15,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960.64 : 41,945.28 = 10,192.80 : x
  2. Step 2: Convert to fraction form
    27,960.64/41,945.28 = 10,192.80/x
  3. Step 3: Cross multiply
    27,960.64x = 41,945.28 × 10,192.80
  4. Step 4: Simplify right side
    27,960.64x = 427,539,849.98
  5. Step 5: Solve for x
    x = 427,539,849.98/27,960.64
  6. Step 6: Final answer
    x = 15,290.77

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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.