Home / 39,796.40-59,694.60-28,132.40

Finding the Fourth Proportional to 39,796.40, 59,694.60 and 28,132.40

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Solution

The fourth proportional to 39,796.40, 59,694.60 and 28,132.40 is: 42,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,796.40 : 59,694.60 = 28,132.40 : x
  2. Step 2: Convert to fraction form
    39,796.40/59,694.60 = 28,132.40/x
  3. Step 3: Cross multiply
    39,796.40x = 59,694.60 × 28,132.40
  4. Step 4: Simplify right side
    39,796.40x = 1,679,352,365.04
  5. Step 5: Solve for x
    x = 1,679,352,365.04/39,796.40
  6. Step 6: Final answer
    x = 42,198.60

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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.