Home / 72,566.40-108,829.04-28,183.68

Finding the Fourth Proportional to 72,566.40, 108,829.04 and 28,183.68

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Solution

The fourth proportional to 72,566.40, 108,829.04 and 28,183.68 is: 42,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,566.40 : 108,829.04 = 28,183.68 : x
  2. Step 2: Convert to fraction form
    72,566.40/108,829.04 = 28,183.68/x
  3. Step 3: Cross multiply
    72,566.40x = 108,829.04 × 28,183.68
  4. Step 4: Simplify right side
    72,566.40x = 3,067,202,838.07
  5. Step 5: Solve for x
    x = 3,067,202,838.07/72,566.40
  6. Step 6: Final answer
    x = 42,267.53

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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.