Home / 21,759.44-32,614.68-12,976

Finding the Fourth Proportional to 21,759.44, 32,614.68 and 12,976

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Solution

The fourth proportional to 21,759.44, 32,614.68 and 12,976 is: 19,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,759.44 : 32,614.68 = 12,976 : x
  2. Step 2: Convert to fraction form
    21,759.44/32,614.68 = 12,976/x
  3. Step 3: Cross multiply
    21,759.44x = 32,614.68 × 12,976
  4. Step 4: Simplify right side
    21,759.44x = 423,208,087.68
  5. Step 5: Solve for x
    x = 423,208,087.68/21,759.44
  6. Step 6: Final answer
    x = 19,449.40

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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.