Home / 21,872.62-32,807.88-10,019.55

Finding the Fourth Proportional to 21,872.62, 32,807.88 and 10,019.55

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Solution

The fourth proportional to 21,872.62, 32,807.88 and 10,019.55 is: 15,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,872.62 : 32,807.88 = 10,019.55 : x
  2. Step 2: Convert to fraction form
    21,872.62/32,807.88 = 10,019.55/x
  3. Step 3: Cross multiply
    21,872.62x = 32,807.88 × 10,019.55
  4. Step 4: Simplify right side
    21,872.62x = 328,720,194.05
  5. Step 5: Solve for x
    x = 328,720,194.05/21,872.62
  6. Step 6: Final answer
    x = 15,028.84

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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.