Home / 54,986.23-82,451.67-26,864.15

Finding the Fourth Proportional to 54,986.23, 82,451.67 and 26,864.15

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Solution

The fourth proportional to 54,986.23, 82,451.67 and 26,864.15 is: 40,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,986.23 : 82,451.67 = 26,864.15 : x
  2. Step 2: Convert to fraction form
    54,986.23/82,451.67 = 26,864.15/x
  3. Step 3: Cross multiply
    54,986.23x = 82,451.67 × 26,864.15
  4. Step 4: Simplify right side
    54,986.23x = 2,214,993,517.63
  5. Step 5: Solve for x
    x = 2,214,993,517.63/54,986.23
  6. Step 6: Final answer
    x = 40,282.69

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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.