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Finding the Fourth Proportional to 28,967, 43,452.34 and 8,192.12

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Solution

The fourth proportional to 28,967, 43,452.34 and 8,192.12 is: 12,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,967 : 43,452.34 = 8,192.12 : x
  2. Step 2: Convert to fraction form
    28,967/43,452.34 = 8,192.12/x
  3. Step 3: Cross multiply
    28,967x = 43,452.34 × 8,192.12
  4. Step 4: Simplify right side
    28,967x = 355,966,783.56
  5. Step 5: Solve for x
    x = 355,966,783.56/28,967
  6. Step 6: Final answer
    x = 12,288.70

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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.