Home / 52,727.75-72,761.96-28,855.43

Finding the Fourth Proportional to 52,727.75, 72,761.96 and 28,855.43

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Solution

The fourth proportional to 52,727.75, 72,761.96 and 28,855.43 is: 39,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,727.75 : 72,761.96 = 28,855.43 : x
  2. Step 2: Convert to fraction form
    52,727.75/72,761.96 = 28,855.43/x
  3. Step 3: Cross multiply
    52,727.75x = 72,761.96 × 28,855.43
  4. Step 4: Simplify right side
    52,727.75x = 2,099,577,643.44
  5. Step 5: Solve for x
    x = 2,099,577,643.44/52,727.75
  6. Step 6: Final answer
    x = 39,819.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.