Home / 21,928.97-32,893.86-7,137.83

Finding the Fourth Proportional to 21,928.97, 32,893.86 and 7,137.83

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Solution

The fourth proportional to 21,928.97, 32,893.86 and 7,137.83 is: 10,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.97 : 32,893.86 = 7,137.83 : x
  2. Step 2: Convert to fraction form
    21,928.97/32,893.86 = 7,137.83/x
  3. Step 3: Cross multiply
    21,928.97x = 32,893.86 × 7,137.83
  4. Step 4: Simplify right side
    21,928.97x = 234,790,780.72
  5. Step 5: Solve for x
    x = 234,790,780.72/21,928.97
  6. Step 6: Final answer
    x = 10,706.88

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1.5x scale

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.