Home / 54,987.23-82,453.17-26,865.15

Finding the Fourth Proportional to 54,987.23, 82,453.17 and 26,865.15

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Solution

The fourth proportional to 54,987.23, 82,453.17 and 26,865.15 is: 40,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,987.23 : 82,453.17 = 26,865.15 : x
  2. Step 2: Convert to fraction form
    54,987.23/82,453.17 = 26,865.15/x
  3. Step 3: Cross multiply
    54,987.23x = 82,453.17 × 26,865.15
  4. Step 4: Simplify right side
    54,987.23x = 2,215,116,780.03
  5. Step 5: Solve for x
    x = 2,215,116,780.03/54,987.23
  6. Step 6: Final answer
    x = 40,284.20

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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.