Home / 52,782.17-72,836.61-28,908.33

Finding the Fourth Proportional to 52,782.17, 72,836.61 and 28,908.33

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Solution

The fourth proportional to 52,782.17, 72,836.61 and 28,908.33 is: 39,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,782.17 : 72,836.61 = 28,908.33 : x
  2. Step 2: Convert to fraction form
    52,782.17/72,836.61 = 28,908.33/x
  3. Step 3: Cross multiply
    52,782.17x = 72,836.61 × 28,908.33
  4. Step 4: Simplify right side
    52,782.17x = 2,105,584,757.96
  5. Step 5: Solve for x
    x = 2,105,584,757.96/52,782.17
  6. Step 6: Final answer
    x = 39,891.97

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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.