Home / 20,529.45-30,794.93-9,282.65

Finding the Fourth Proportional to 20,529.45, 30,794.93 and 9,282.65

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Solution

The fourth proportional to 20,529.45, 30,794.93 and 9,282.65 is: 13,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529.45 : 30,794.93 = 9,282.65 : x
  2. Step 2: Convert to fraction form
    20,529.45/30,794.93 = 9,282.65/x
  3. Step 3: Cross multiply
    20,529.45x = 30,794.93 × 9,282.65
  4. Step 4: Simplify right side
    20,529.45x = 285,858,356.58
  5. Step 5: Solve for x
    x = 285,858,356.58/20,529.45
  6. Step 6: Final answer
    x = 13,924.31

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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.