Home / 28,784.62-43,176.69-8,008.06

Finding the Fourth Proportional to 28,784.62, 43,176.69 and 8,008.06

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Solution

The fourth proportional to 28,784.62, 43,176.69 and 8,008.06 is: 12,012.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,784.62 : 43,176.69 = 8,008.06 : x
  2. Step 2: Convert to fraction form
    28,784.62/43,176.69 = 8,008.06/x
  3. Step 3: Cross multiply
    28,784.62x = 43,176.69 × 8,008.06
  4. Step 4: Simplify right side
    28,784.62x = 345,761,524.12
  5. Step 5: Solve for x
    x = 345,761,524.12/28,784.62
  6. Step 6: Final answer
    x = 12,012.02

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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.