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Finding the Fourth Proportional to 29,285.64, 43,926.87 and 8,227.17

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Solution

The fourth proportional to 29,285.64, 43,926.87 and 8,227.17 is: 12,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,285.64 : 43,926.87 = 8,227.17 : x
  2. Step 2: Convert to fraction form
    29,285.64/43,926.87 = 8,227.17/x
  3. Step 3: Cross multiply
    29,285.64x = 43,926.87 × 8,227.17
  4. Step 4: Simplify right side
    29,285.64x = 361,393,827.06
  5. Step 5: Solve for x
    x = 361,393,827.06/29,285.64
  6. Step 6: Final answer
    x = 12,340.31

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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.