Home / 18,892.22-28,335.14-5,382.44

Finding the Fourth Proportional to 18,892.22, 28,335.14 and 5,382.44

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Solution

The fourth proportional to 18,892.22, 28,335.14 and 5,382.44 is: 8,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892.22 : 28,335.14 = 5,382.44 : x
  2. Step 2: Convert to fraction form
    18,892.22/28,335.14 = 5,382.44/x
  3. Step 3: Cross multiply
    18,892.22x = 28,335.14 × 5,382.44
  4. Step 4: Simplify right side
    18,892.22x = 152,512,168.63
  5. Step 5: Solve for x
    x = 152,512,168.63/18,892.22
  6. Step 6: Final answer
    x = 8,072.75

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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.