Home / 38,374.56-57,454.31-28,985.04

Finding the Fourth Proportional to 38,374.56, 57,454.31 and 28,985.04

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Solution

The fourth proportional to 38,374.56, 57,454.31 and 28,985.04 is: 43,396.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,374.56 : 57,454.31 = 28,985.04 : x
  2. Step 2: Convert to fraction form
    38,374.56/57,454.31 = 28,985.04/x
  3. Step 3: Cross multiply
    38,374.56x = 57,454.31 × 28,985.04
  4. Step 4: Simplify right side
    38,374.56x = 1,665,315,545.99
  5. Step 5: Solve for x
    x = 1,665,315,545.99/38,374.56
  6. Step 6: Final answer
    x = 43,396.34

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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.