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Finding the Fourth Proportional to 28,773.63, 43,143.17 and 11,893.64

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Solution

The fourth proportional to 28,773.63, 43,143.17 and 11,893.64 is: 17,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773.63 : 43,143.17 = 11,893.64 : x
  2. Step 2: Convert to fraction form
    28,773.63/43,143.17 = 11,893.64/x
  3. Step 3: Cross multiply
    28,773.63x = 43,143.17 × 11,893.64
  4. Step 4: Simplify right side
    28,773.63x = 513,129,057.25
  5. Step 5: Solve for x
    x = 513,129,057.25/28,773.63
  6. Step 6: Final answer
    x = 17,833.31

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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.