Home / 28,043.20-41,991.84-27,212.12

Finding the Fourth Proportional to 28,043.20, 41,991.84 and 27,212.12

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Solution

The fourth proportional to 28,043.20, 41,991.84 and 27,212.12 is: 40,747.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.20 : 41,991.84 = 27,212.12 : x
  2. Step 2: Convert to fraction form
    28,043.20/41,991.84 = 27,212.12/x
  3. Step 3: Cross multiply
    28,043.20x = 41,991.84 × 27,212.12
  4. Step 4: Simplify right side
    28,043.20x = 1,142,686,989.10
  5. Step 5: Solve for x
    x = 1,142,686,989.10/28,043.20
  6. Step 6: Final answer
    x = 40,747.38

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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.