Home / 21,939.08-32,893.26-8,084.36

Finding the Fourth Proportional to 21,939.08, 32,893.26 and 8,084.36

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Solution

The fourth proportional to 21,939.08, 32,893.26 and 8,084.36 is: 12,120.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,939.08 : 32,893.26 = 8,084.36 : x
  2. Step 2: Convert to fraction form
    21,939.08/32,893.26 = 8,084.36/x
  3. Step 3: Cross multiply
    21,939.08x = 32,893.26 × 8,084.36
  4. Step 4: Simplify right side
    21,939.08x = 265,920,955.41
  5. Step 5: Solve for x
    x = 265,920,955.41/21,939.08
  6. Step 6: Final answer
    x = 12,120.88

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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.