Home / 20,631.35-30,942.05-9,527.37

Finding the Fourth Proportional to 20,631.35, 30,942.05 and 9,527.37

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Solution

The fourth proportional to 20,631.35, 30,942.05 and 9,527.37 is: 14,288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,631.35 : 30,942.05 = 9,527.37 : x
  2. Step 2: Convert to fraction form
    20,631.35/30,942.05 = 9,527.37/x
  3. Step 3: Cross multiply
    20,631.35x = 30,942.05 × 9,527.37
  4. Step 4: Simplify right side
    20,631.35x = 294,796,195.24
  5. Step 5: Solve for x
    x = 294,796,195.24/20,631.35
  6. Step 6: Final answer
    x = 14,288.75

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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.