Home / 54,869.78-82,309.54-15,427.24

Finding the Fourth Proportional to 54,869.78, 82,309.54 and 15,427.24

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Solution

The fourth proportional to 54,869.78, 82,309.54 and 15,427.24 is: 23,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,869.78 : 82,309.54 = 15,427.24 : x
  2. Step 2: Convert to fraction form
    54,869.78/82,309.54 = 15,427.24/x
  3. Step 3: Cross multiply
    54,869.78x = 82,309.54 × 15,427.24
  4. Step 4: Simplify right side
    54,869.78x = 1,269,809,027.87
  5. Step 5: Solve for x
    x = 1,269,809,027.87/54,869.78
  6. Step 6: Final answer
    x = 23,142.23

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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.