Home / 27,579.80-41,368.82-8,859.76

Finding the Fourth Proportional to 27,579.80, 41,368.82 and 8,859.76

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Solution

The fourth proportional to 27,579.80, 41,368.82 and 8,859.76 is: 13,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.80 : 41,368.82 = 8,859.76 : x
  2. Step 2: Convert to fraction form
    27,579.80/41,368.82 = 8,859.76/x
  3. Step 3: Cross multiply
    27,579.80x = 41,368.82 × 8,859.76
  4. Step 4: Simplify right side
    27,579.80x = 366,517,816.68
  5. Step 5: Solve for x
    x = 366,517,816.68/27,579.80
  6. Step 6: Final answer
    x = 13,289.36

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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.