Home / 26,928-37,163.52-15,759.36

Finding the Fourth Proportional to 26,928, 37,163.52 and 15,759.36

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Solution

The fourth proportional to 26,928, 37,163.52 and 15,759.36 is: 21,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928 : 37,163.52 = 15,759.36 : x
  2. Step 2: Convert to fraction form
    26,928/37,163.52 = 15,759.36/x
  3. Step 3: Cross multiply
    26,928x = 37,163.52 × 15,759.36
  4. Step 4: Simplify right side
    26,928x = 585,673,290.55
  5. Step 5: Solve for x
    x = 585,673,290.55/26,928
  6. Step 6: Final answer
    x = 21,749.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.