Home / 69,877.22-104,814.59-17,286.70

Finding the Fourth Proportional to 69,877.22, 104,814.59 and 17,286.70

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Solution

The fourth proportional to 69,877.22, 104,814.59 and 17,286.70 is: 25,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,877.22 : 104,814.59 = 17,286.70 : x
  2. Step 2: Convert to fraction form
    69,877.22/104,814.59 = 17,286.70/x
  3. Step 3: Cross multiply
    69,877.22x = 104,814.59 × 17,286.70
  4. Step 4: Simplify right side
    69,877.22x = 1,811,898,372.95
  5. Step 5: Solve for x
    x = 1,811,898,372.95/69,877.22
  6. Step 6: Final answer
    x = 25,929.74

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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.