Home / 27,714.11-41,561.72-7,987.37

Finding the Fourth Proportional to 27,714.11, 41,561.72 and 7,987.37

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Solution

The fourth proportional to 27,714.11, 41,561.72 and 7,987.37 is: 11,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,714.11 : 41,561.72 = 7,987.37 : x
  2. Step 2: Convert to fraction form
    27,714.11/41,561.72 = 7,987.37/x
  3. Step 3: Cross multiply
    27,714.11x = 41,561.72 × 7,987.37
  4. Step 4: Simplify right side
    27,714.11x = 331,968,795.54
  5. Step 5: Solve for x
    x = 331,968,795.54/27,714.11
  6. Step 6: Final answer
    x = 11,978.33

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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.