Home / 20,682.80-31,029.06-5,891.93

Finding the Fourth Proportional to 20,682.80, 31,029.06 and 5,891.93

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Solution

The fourth proportional to 20,682.80, 31,029.06 and 5,891.93 is: 8,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682.80 : 31,029.06 = 5,891.93 : x
  2. Step 2: Convert to fraction form
    20,682.80/31,029.06 = 5,891.93/x
  3. Step 3: Cross multiply
    20,682.80x = 31,029.06 × 5,891.93
  4. Step 4: Simplify right side
    20,682.80x = 182,821,049.49
  5. Step 5: Solve for x
    x = 182,821,049.49/20,682.80
  6. Step 6: Final answer
    x = 8,839.28

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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.