Home / 26,218.80-39,348-17,879.04

Finding the Fourth Proportional to 26,218.80, 39,348 and 17,879.04

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Solution

The fourth proportional to 26,218.80, 39,348 and 17,879.04 is: 26,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,218.80 : 39,348 = 17,879.04 : x
  2. Step 2: Convert to fraction form
    26,218.80/39,348 = 17,879.04/x
  3. Step 3: Cross multiply
    26,218.80x = 39,348 × 17,879.04
  4. Step 4: Simplify right side
    26,218.80x = 703,504,465.92
  5. Step 5: Solve for x
    x = 703,504,465.92/26,218.80
  6. Step 6: Final answer
    x = 26,832.06

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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.