Home / 28,844.43-43,266.64-12,200.14

Finding the Fourth Proportional to 28,844.43, 43,266.64 and 12,200.14

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Solution

The fourth proportional to 28,844.43, 43,266.64 and 12,200.14 is: 18,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844.43 : 43,266.64 = 12,200.14 : x
  2. Step 2: Convert to fraction form
    28,844.43/43,266.64 = 12,200.14/x
  3. Step 3: Cross multiply
    28,844.43x = 43,266.64 × 12,200.14
  4. Step 4: Simplify right side
    28,844.43x = 527,859,065.33
  5. Step 5: Solve for x
    x = 527,859,065.33/28,844.43
  6. Step 6: Final answer
    x = 18,300.21

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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.