Home / 69,738.16-104,606.28-17,147.20

Finding the Fourth Proportional to 69,738.16, 104,606.28 and 17,147.20

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Solution

The fourth proportional to 69,738.16, 104,606.28 and 17,147.20 is: 25,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,738.16 : 104,606.28 = 17,147.20 : x
  2. Step 2: Convert to fraction form
    69,738.16/104,606.28 = 17,147.20/x
  3. Step 3: Cross multiply
    69,738.16x = 104,606.28 × 17,147.20
  4. Step 4: Simplify right side
    69,738.16x = 1,793,704,804.42
  5. Step 5: Solve for x
    x = 1,793,704,804.42/69,738.16
  6. Step 6: Final answer
    x = 25,720.56

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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.