Home / 27,820.30-41,739.37-8,100.04

Finding the Fourth Proportional to 27,820.30, 41,739.37 and 8,100.04

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Solution

The fourth proportional to 27,820.30, 41,739.37 and 8,100.04 is: 12,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820.30 : 41,739.37 = 8,100.04 : x
  2. Step 2: Convert to fraction form
    27,820.30/41,739.37 = 8,100.04/x
  3. Step 3: Cross multiply
    27,820.30x = 41,739.37 × 8,100.04
  4. Step 4: Simplify right side
    27,820.30x = 338,090,566.57
  5. Step 5: Solve for x
    x = 338,090,566.57/27,820.30
  6. Step 6: Final answer
    x = 12,152.66

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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.