Home / 28,976.10-43,467.39-9,247.74

Finding the Fourth Proportional to 28,976.10, 43,467.39 and 9,247.74

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Solution

The fourth proportional to 28,976.10, 43,467.39 and 9,247.74 is: 13,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976.10 : 43,467.39 = 9,247.74 : x
  2. Step 2: Convert to fraction form
    28,976.10/43,467.39 = 9,247.74/x
  3. Step 3: Cross multiply
    28,976.10x = 43,467.39 × 9,247.74
  4. Step 4: Simplify right side
    28,976.10x = 401,975,121.20
  5. Step 5: Solve for x
    x = 401,975,121.20/28,976.10
  6. Step 6: Final answer
    x = 13,872.64

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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.