Home / 20,506.24-30,796.44-18,944.56

Finding the Fourth Proportional to 20,506.24, 30,796.44 and 18,944.56

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Solution

The fourth proportional to 20,506.24, 30,796.44 and 18,944.56 is: 28,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,506.24 : 30,796.44 = 18,944.56 : x
  2. Step 2: Convert to fraction form
    20,506.24/30,796.44 = 18,944.56/x
  3. Step 3: Cross multiply
    20,506.24x = 30,796.44 × 18,944.56
  4. Step 4: Simplify right side
    20,506.24x = 583,425,005.37
  5. Step 5: Solve for x
    x = 583,425,005.37/20,506.24
  6. Step 6: Final answer
    x = 28,451.10

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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.