Home / 28,739.03-43,105.97-10,015.88

Finding the Fourth Proportional to 28,739.03, 43,105.97 and 10,015.88

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Solution

The fourth proportional to 28,739.03, 43,105.97 and 10,015.88 is: 15,022.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739.03 : 43,105.97 = 10,015.88 : x
  2. Step 2: Convert to fraction form
    28,739.03/43,105.97 = 10,015.88/x
  3. Step 3: Cross multiply
    28,739.03x = 43,105.97 × 10,015.88
  4. Step 4: Simplify right side
    28,739.03x = 431,744,032.31
  5. Step 5: Solve for x
    x = 431,744,032.31/28,739.03
  6. Step 6: Final answer
    x = 15,022.92

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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.