Home / 27,859.60-41,791.36-11,219.70

Finding the Fourth Proportional to 27,859.60, 41,791.36 and 11,219.70

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Solution

The fourth proportional to 27,859.60, 41,791.36 and 11,219.70 is: 16,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,859.60 : 41,791.36 = 11,219.70 : x
  2. Step 2: Convert to fraction form
    27,859.60/41,791.36 = 11,219.70/x
  3. Step 3: Cross multiply
    27,859.60x = 41,791.36 × 11,219.70
  4. Step 4: Simplify right side
    27,859.60x = 468,886,521.79
  5. Step 5: Solve for x
    x = 468,886,521.79/27,859.60
  6. Step 6: Final answer
    x = 16,830.34

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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.