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Finding the Fourth Proportional to 27,425.41, 41,138.11 and 6,648.91

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Solution

The fourth proportional to 27,425.41, 41,138.11 and 6,648.91 is: 9,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,425.41 : 41,138.11 = 6,648.91 : x
  2. Step 2: Convert to fraction form
    27,425.41/41,138.11 = 6,648.91/x
  3. Step 3: Cross multiply
    27,425.41x = 41,138.11 × 6,648.91
  4. Step 4: Simplify right side
    27,425.41x = 273,523,590.96
  5. Step 5: Solve for x
    x = 273,523,590.96/27,425.41
  6. Step 6: Final answer
    x = 9,973.36

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1.5x scale

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.