Home / 27,458.22-41,186.76-8,739.36

Finding the Fourth Proportional to 27,458.22, 41,186.76 and 8,739.36

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Solution

The fourth proportional to 27,458.22, 41,186.76 and 8,739.36 is: 13,108.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.22 : 41,186.76 = 8,739.36 : x
  2. Step 2: Convert to fraction form
    27,458.22/41,186.76 = 8,739.36/x
  3. Step 3: Cross multiply
    27,458.22x = 41,186.76 × 8,739.36
  4. Step 4: Simplify right side
    27,458.22x = 359,945,922.87
  5. Step 5: Solve for x
    x = 359,945,922.87/27,458.22
  6. Step 6: Final answer
    x = 13,108.86

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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.