Home / 27,420.93-41,131.62-6,644.43

Finding the Fourth Proportional to 27,420.93, 41,131.62 and 6,644.43

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Solution

The fourth proportional to 27,420.93, 41,131.62 and 6,644.43 is: 9,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.93 : 41,131.62 = 6,644.43 : x
  2. Step 2: Convert to fraction form
    27,420.93/41,131.62 = 6,644.43/x
  3. Step 3: Cross multiply
    27,420.93x = 41,131.62 × 6,644.43
  4. Step 4: Simplify right side
    27,420.93x = 273,296,169.88
  5. Step 5: Solve for x
    x = 273,296,169.88/27,420.93
  6. Step 6: Final answer
    x = 9,966.70

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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.