Home / 28,844.93-43,267.40-12,200.64

Finding the Fourth Proportional to 28,844.93, 43,267.40 and 12,200.64

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Solution

The fourth proportional to 28,844.93, 43,267.40 and 12,200.64 is: 18,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844.93 : 43,267.40 = 12,200.64 : x
  2. Step 2: Convert to fraction form
    28,844.93/43,267.40 = 12,200.64/x
  3. Step 3: Cross multiply
    28,844.93x = 43,267.40 × 12,200.64
  4. Step 4: Simplify right side
    28,844.93x = 527,889,910.13
  5. Step 5: Solve for x
    x = 527,889,910.13/28,844.93
  6. Step 6: Final answer
    x = 18,300.96

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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.