Home / 54,869.91-82,309.72-15,427.36

Finding the Fourth Proportional to 54,869.91, 82,309.72 and 15,427.36

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Solution

The fourth proportional to 54,869.91, 82,309.72 and 15,427.36 is: 23,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,869.91 : 82,309.72 = 15,427.36 : x
  2. Step 2: Convert to fraction form
    54,869.91/82,309.72 = 15,427.36/x
  3. Step 3: Cross multiply
    54,869.91x = 82,309.72 × 15,427.36
  4. Step 4: Simplify right side
    54,869.91x = 1,269,821,643.37
  5. Step 5: Solve for x
    x = 1,269,821,643.37/54,869.91
  6. Step 6: Final answer
    x = 23,142.41

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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.