Home / 21,942.84-32,867.04-12,556.50

Finding the Fourth Proportional to 21,942.84, 32,867.04 and 12,556.50

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Solution

The fourth proportional to 21,942.84, 32,867.04 and 12,556.50 is: 18,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.84 : 32,867.04 = 12,556.50 : x
  2. Step 2: Convert to fraction form
    21,942.84/32,867.04 = 12,556.50/x
  3. Step 3: Cross multiply
    21,942.84x = 32,867.04 × 12,556.50
  4. Step 4: Simplify right side
    21,942.84x = 412,694,987.76
  5. Step 5: Solve for x
    x = 412,694,987.76/21,942.84
  6. Step 6: Final answer
    x = 18,807.73

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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.