Home / 38,871.36-58,174.92-28,986.12

Finding the Fourth Proportional to 38,871.36, 58,174.92 and 28,986.12

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Solution

The fourth proportional to 38,871.36, 58,174.92 and 28,986.12 is: 43,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871.36 : 58,174.92 = 28,986.12 : x
  2. Step 2: Convert to fraction form
    38,871.36/58,174.92 = 28,986.12/x
  3. Step 3: Cross multiply
    38,871.36x = 58,174.92 × 28,986.12
  4. Step 4: Simplify right side
    38,871.36x = 1,686,265,212.11
  5. Step 5: Solve for x
    x = 1,686,265,212.11/38,871.36
  6. Step 6: Final answer
    x = 43,380.66

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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.