Home / 69,876.22-104,813.09-17,285.70

Finding the Fourth Proportional to 69,876.22, 104,813.09 and 17,285.70

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Solution

The fourth proportional to 69,876.22, 104,813.09 and 17,285.70 is: 25,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,876.22 : 104,813.09 = 17,285.70 : x
  2. Step 2: Convert to fraction form
    69,876.22/104,813.09 = 17,285.70/x
  3. Step 3: Cross multiply
    69,876.22x = 104,813.09 × 17,285.70
  4. Step 4: Simplify right side
    69,876.22x = 1,811,768,001.25
  5. Step 5: Solve for x
    x = 1,811,768,001.25/69,876.22
  6. Step 6: Final answer
    x = 25,928.25

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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.