Home / 41,987.94-57,924.61-28,371.58

Finding the Fourth Proportional to 41,987.94, 57,924.61 and 28,371.58

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Solution

The fourth proportional to 41,987.94, 57,924.61 and 28,371.58 is: 39,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,987.94 : 57,924.61 = 28,371.58 : x
  2. Step 2: Convert to fraction form
    41,987.94/57,924.61 = 28,371.58/x
  3. Step 3: Cross multiply
    41,987.94x = 57,924.61 × 28,371.58
  4. Step 4: Simplify right side
    41,987.94x = 1,643,412,706.58
  5. Step 5: Solve for x
    x = 1,643,412,706.58/41,987.94
  6. Step 6: Final answer
    x = 39,140.11

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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.