Home / 69,415.39-104,123.09-16,824.87

Finding the Fourth Proportional to 69,415.39, 104,123.09 and 16,824.87

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Solution

The fourth proportional to 69,415.39, 104,123.09 and 16,824.87 is: 25,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,415.39 : 104,123.09 = 16,824.87 : x
  2. Step 2: Convert to fraction form
    69,415.39/104,123.09 = 16,824.87/x
  3. Step 3: Cross multiply
    69,415.39x = 104,123.09 × 16,824.87
  4. Step 4: Simplify right side
    69,415.39x = 1,751,857,453.25
  5. Step 5: Solve for x
    x = 1,751,857,453.25/69,415.39
  6. Step 6: Final answer
    x = 25,237.31

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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.