Home / 54,879.68-82,309.93-15,427.42

Finding the Fourth Proportional to 54,879.68, 82,309.93 and 15,427.42

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Solution

The fourth proportional to 54,879.68, 82,309.93 and 15,427.42 is: 23,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,879.68 : 82,309.93 = 15,427.42 : x
  2. Step 2: Convert to fraction form
    54,879.68/82,309.93 = 15,427.42/x
  3. Step 3: Cross multiply
    54,879.68x = 82,309.93 × 15,427.42
  4. Step 4: Simplify right side
    54,879.68x = 1,269,829,615.94
  5. Step 5: Solve for x
    x = 1,269,829,615.94/54,879.68
  6. Step 6: Final answer
    x = 23,138.43

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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.