Home / 54,879.43-82,309.55-15,427.17

Finding the Fourth Proportional to 54,879.43, 82,309.55 and 15,427.17

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Solution

The fourth proportional to 54,879.43, 82,309.55 and 15,427.17 is: 23,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,879.43 : 82,309.55 = 15,427.17 : x
  2. Step 2: Convert to fraction form
    54,879.43/82,309.55 = 15,427.17/x
  3. Step 3: Cross multiply
    54,879.43x = 82,309.55 × 15,427.17
  4. Step 4: Simplify right side
    54,879.43x = 1,269,803,420.47
  5. Step 5: Solve for x
    x = 1,269,803,420.47/54,879.43
  6. Step 6: Final answer
    x = 23,138.06

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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.