Home / 28,837.28-43,257.72-12,194.20

Finding the Fourth Proportional to 28,837.28, 43,257.72 and 12,194.20

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Solution

The fourth proportional to 28,837.28, 43,257.72 and 12,194.20 is: 18,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.28 : 43,257.72 = 12,194.20 : x
  2. Step 2: Convert to fraction form
    28,837.28/43,257.72 = 12,194.20/x
  3. Step 3: Cross multiply
    28,837.28x = 43,257.72 × 12,194.20
  4. Step 4: Simplify right side
    28,837.28x = 527,493,289.22
  5. Step 5: Solve for x
    x = 527,493,289.22/28,837.28
  6. Step 6: Final answer
    x = 18,292.06

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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.