Home / 38,135.90-57,158.48-28,744.97

Finding the Fourth Proportional to 38,135.90, 57,158.48 and 28,744.97

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Solution

The fourth proportional to 38,135.90, 57,158.48 and 28,744.97 is: 43,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135.90 : 57,158.48 = 28,744.97 : x
  2. Step 2: Convert to fraction form
    38,135.90/57,158.48 = 28,744.97/x
  3. Step 3: Cross multiply
    38,135.90x = 57,158.48 × 28,744.97
  4. Step 4: Simplify right side
    38,135.90x = 1,643,018,363.33
  5. Step 5: Solve for x
    x = 1,643,018,363.33/38,135.90
  6. Step 6: Final answer
    x = 43,083.25

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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.