Home / 27,848.36-41,781.21-9,128.54

Finding the Fourth Proportional to 27,848.36, 41,781.21 and 9,128.54

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Solution

The fourth proportional to 27,848.36, 41,781.21 and 9,128.54 is: 13,695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.36 : 41,781.21 = 9,128.54 : x
  2. Step 2: Convert to fraction form
    27,848.36/41,781.21 = 9,128.54/x
  3. Step 3: Cross multiply
    27,848.36x = 41,781.21 × 9,128.54
  4. Step 4: Simplify right side
    27,848.36x = 381,401,446.73
  5. Step 5: Solve for x
    x = 381,401,446.73/27,848.36
  6. Step 6: Final answer
    x = 13,695.65

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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.