Home / 28,140.82-38,833.05-16,201.62

Finding the Fourth Proportional to 28,140.82, 38,833.05 and 16,201.62

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Solution

The fourth proportional to 28,140.82, 38,833.05 and 16,201.62 is: 22,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,140.82 : 38,833.05 = 16,201.62 : x
  2. Step 2: Convert to fraction form
    28,140.82/38,833.05 = 16,201.62/x
  3. Step 3: Cross multiply
    28,140.82x = 38,833.05 × 16,201.62
  4. Step 4: Simplify right side
    28,140.82x = 629,158,380.30
  5. Step 5: Solve for x
    x = 629,158,380.30/28,140.82
  6. Step 6: Final answer
    x = 22,357.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.