Home / 69,428.26-104,142.43-16,837.74

Finding the Fourth Proportional to 69,428.26, 104,142.43 and 16,837.74

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Solution

The fourth proportional to 69,428.26, 104,142.43 and 16,837.74 is: 25,256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,428.26 : 104,142.43 = 16,837.74 : x
  2. Step 2: Convert to fraction form
    69,428.26/104,142.43 = 16,837.74/x
  3. Step 3: Cross multiply
    69,428.26x = 104,142.43 × 16,837.74
  4. Step 4: Simplify right side
    69,428.26x = 1,753,523,085.64
  5. Step 5: Solve for x
    x = 1,753,523,085.64/69,428.26
  6. Step 6: Final answer
    x = 25,256.62

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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.