Home / 69,917.10-104,875.68-17,326.26

Finding the Fourth Proportional to 69,917.10, 104,875.68 and 17,326.26

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Solution

The fourth proportional to 69,917.10, 104,875.68 and 17,326.26 is: 25,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,917.10 : 104,875.68 = 17,326.26 : x
  2. Step 2: Convert to fraction form
    69,917.10/104,875.68 = 17,326.26/x
  3. Step 3: Cross multiply
    69,917.10x = 104,875.68 × 17,326.26
  4. Step 4: Simplify right side
    69,917.10x = 1,817,103,299.36
  5. Step 5: Solve for x
    x = 1,817,103,299.36/69,917.10
  6. Step 6: Final answer
    x = 25,989.40

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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.