Home / 20,488.32-30,751.61-10,634.52

Finding the Fourth Proportional to 20,488.32, 30,751.61 and 10,634.52

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Solution

The fourth proportional to 20,488.32, 30,751.61 and 10,634.52 is: 15,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488.32 : 30,751.61 = 10,634.52 : x
  2. Step 2: Convert to fraction form
    20,488.32/30,751.61 = 10,634.52/x
  3. Step 3: Cross multiply
    20,488.32x = 30,751.61 × 10,634.52
  4. Step 4: Simplify right side
    20,488.32x = 327,028,611.58
  5. Step 5: Solve for x
    x = 327,028,611.58/20,488.32
  6. Step 6: Final answer
    x = 15,961.71

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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.