Home / 52,786.08-72,841.68-28,908

Finding the Fourth Proportional to 52,786.08, 72,841.68 and 28,908

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Solution

The fourth proportional to 52,786.08, 72,841.68 and 28,908 is: 39,891.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,786.08 : 72,841.68 = 28,908 : x
  2. Step 2: Convert to fraction form
    52,786.08/72,841.68 = 28,908/x
  3. Step 3: Cross multiply
    52,786.08x = 72,841.68 × 28,908
  4. Step 4: Simplify right side
    52,786.08x = 2,105,707,285.44
  5. Step 5: Solve for x
    x = 2,105,707,285.44/52,786.08
  6. Step 6: Final answer
    x = 39,891.34

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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.