Home / 41,976.51-62,964.70-28,788.90

Finding the Fourth Proportional to 41,976.51, 62,964.70 and 28,788.90

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Solution

The fourth proportional to 41,976.51, 62,964.70 and 28,788.90 is: 43,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,976.51 : 62,964.70 = 28,788.90 : x
  2. Step 2: Convert to fraction form
    41,976.51/62,964.70 = 28,788.90/x
  3. Step 3: Cross multiply
    41,976.51x = 62,964.70 × 28,788.90
  4. Step 4: Simplify right side
    41,976.51x = 1,812,684,777.91
  5. Step 5: Solve for x
    x = 1,812,684,777.91/41,976.51
  6. Step 6: Final answer
    x = 43,183.31

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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.