Home / 28,786.64-43,179.96-16,466

Finding the Fourth Proportional to 28,786.64, 43,179.96 and 16,466

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Solution

The fourth proportional to 28,786.64, 43,179.96 and 16,466 is: 24,699

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,786.64 : 43,179.96 = 16,466 : x
  2. Step 2: Convert to fraction form
    28,786.64/43,179.96 = 16,466/x
  3. Step 3: Cross multiply
    28,786.64x = 43,179.96 × 16,466
  4. Step 4: Simplify right side
    28,786.64x = 711,001,221.36
  5. Step 5: Solve for x
    x = 711,001,221.36/28,786.64
  6. Step 6: Final answer
    x = 24,699

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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.