Home / 52,765.43-72,816.08-28,891.89

Finding the Fourth Proportional to 52,765.43, 72,816.08 and 28,891.89

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Solution

The fourth proportional to 52,765.43, 72,816.08 and 28,891.89 is: 39,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,765.43 : 72,816.08 = 28,891.89 : x
  2. Step 2: Convert to fraction form
    52,765.43/72,816.08 = 28,891.89/x
  3. Step 3: Cross multiply
    52,765.43x = 72,816.08 × 28,891.89
  4. Step 4: Simplify right side
    52,765.43x = 2,103,794,029.13
  5. Step 5: Solve for x
    x = 2,103,794,029.13/52,765.43
  6. Step 6: Final answer
    x = 39,870.69

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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.