Home / 28,789.82-43,122.22-13,967.58

Finding the Fourth Proportional to 28,789.82, 43,122.22 and 13,967.58

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Solution

The fourth proportional to 28,789.82, 43,122.22 and 13,967.58 is: 20,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789.82 : 43,122.22 = 13,967.58 : x
  2. Step 2: Convert to fraction form
    28,789.82/43,122.22 = 13,967.58/x
  3. Step 3: Cross multiply
    28,789.82x = 43,122.22 × 13,967.58
  4. Step 4: Simplify right side
    28,789.82x = 602,313,057.63
  5. Step 5: Solve for x
    x = 602,313,057.63/28,789.82
  6. Step 6: Final answer
    x = 20,921.04

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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.