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Finding the Fourth Proportional to 29,893.92, 44,799.84 and 15,112.72

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Solution

The fourth proportional to 29,893.92, 44,799.84 and 15,112.72 is: 22,648.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,893.92 : 44,799.84 = 15,112.72 : x
  2. Step 2: Convert to fraction form
    29,893.92/44,799.84 = 15,112.72/x
  3. Step 3: Cross multiply
    29,893.92x = 44,799.84 × 15,112.72
  4. Step 4: Simplify right side
    29,893.92x = 677,047,437.96
  5. Step 5: Solve for x
    x = 677,047,437.96/29,893.92
  6. Step 6: Final answer
    x = 22,648.33

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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.