Home / 29,108.80-43,677.60-16,638.40

Finding the Fourth Proportional to 29,108.80, 43,677.60 and 16,638.40

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Solution

The fourth proportional to 29,108.80, 43,677.60 and 16,638.40 is: 24,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.80 : 43,677.60 = 16,638.40 : x
  2. Step 2: Convert to fraction form
    29,108.80/43,677.60 = 16,638.40/x
  3. Step 3: Cross multiply
    29,108.80x = 43,677.60 × 16,638.40
  4. Step 4: Simplify right side
    29,108.80x = 726,725,379.84
  5. Step 5: Solve for x
    x = 726,725,379.84/29,108.80
  6. Step 6: Final answer
    x = 24,965.83

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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.