Home / 72,581.36-108,844.04-28,202.27

Finding the Fourth Proportional to 72,581.36, 108,844.04 and 28,202.27

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Solution

The fourth proportional to 72,581.36, 108,844.04 and 28,202.27 is: 42,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581.36 : 108,844.04 = 28,202.27 : x
  2. Step 2: Convert to fraction form
    72,581.36/108,844.04 = 28,202.27/x
  3. Step 3: Cross multiply
    72,581.36x = 108,844.04 × 28,202.27
  4. Step 4: Simplify right side
    72,581.36x = 3,069,649,003.97
  5. Step 5: Solve for x
    x = 3,069,649,003.97/72,581.36
  6. Step 6: Final answer
    x = 42,292.53

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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.