Home / 27,731.21-41,590.69-8,005.48

Finding the Fourth Proportional to 27,731.21, 41,590.69 and 8,005.48

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Solution

The fourth proportional to 27,731.21, 41,590.69 and 8,005.48 is: 12,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731.21 : 41,590.69 = 8,005.48 : x
  2. Step 2: Convert to fraction form
    27,731.21/41,590.69 = 8,005.48/x
  3. Step 3: Cross multiply
    27,731.21x = 41,590.69 × 8,005.48
  4. Step 4: Simplify right side
    27,731.21x = 332,953,436.98
  5. Step 5: Solve for x
    x = 332,953,436.98/27,731.21
  6. Step 6: Final answer
    x = 12,006.45

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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.