Home / 41,986.94-57,923.24-28,370.58

Finding the Fourth Proportional to 41,986.94, 57,923.24 and 28,370.58

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Solution

The fourth proportional to 41,986.94, 57,923.24 and 28,370.58 is: 39,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,986.94 : 57,923.24 = 28,370.58 : x
  2. Step 2: Convert to fraction form
    41,986.94/57,923.24 = 28,370.58/x
  3. Step 3: Cross multiply
    41,986.94x = 57,923.24 × 28,370.58
  4. Step 4: Simplify right side
    41,986.94x = 1,643,315,772.43
  5. Step 5: Solve for x
    x = 1,643,315,772.43/41,986.94
  6. Step 6: Final answer
    x = 39,138.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.