Home / 21,948.20-32,866.20-12,076.64

Finding the Fourth Proportional to 21,948.20, 32,866.20 and 12,076.64

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Solution

The fourth proportional to 21,948.20, 32,866.20 and 12,076.64 is: 18,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.20 : 32,866.20 = 12,076.64 : x
  2. Step 2: Convert to fraction form
    21,948.20/32,866.20 = 12,076.64/x
  3. Step 3: Cross multiply
    21,948.20x = 32,866.20 × 12,076.64
  4. Step 4: Simplify right side
    21,948.20x = 396,913,265.57
  5. Step 5: Solve for x
    x = 396,913,265.57/21,948.20
  6. Step 6: Final answer
    x = 18,084.09

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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.