Home / 21,926-32,872.58-7,126.08

Finding the Fourth Proportional to 21,926, 32,872.58 and 7,126.08

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Solution

The fourth proportional to 21,926, 32,872.58 and 7,126.08 is: 10,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926 : 32,872.58 = 7,126.08 : x
  2. Step 2: Convert to fraction form
    21,926/32,872.58 = 7,126.08/x
  3. Step 3: Cross multiply
    21,926x = 32,872.58 × 7,126.08
  4. Step 4: Simplify right side
    21,926x = 234,252,634.89
  5. Step 5: Solve for x
    x = 234,252,634.89/21,926
  6. Step 6: Final answer
    x = 10,683.78

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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.