Home / 20,282.59-30,435.33-10,922.41

Finding the Fourth Proportional to 20,282.59, 30,435.33 and 10,922.41

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Solution

The fourth proportional to 20,282.59, 30,435.33 and 10,922.41 is: 16,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,282.59 : 30,435.33 = 10,922.41 : x
  2. Step 2: Convert to fraction form
    20,282.59/30,435.33 = 10,922.41/x
  3. Step 3: Cross multiply
    20,282.59x = 30,435.33 × 10,922.41
  4. Step 4: Simplify right side
    20,282.59x = 332,427,117.62
  5. Step 5: Solve for x
    x = 332,427,117.62/20,282.59
  6. Step 6: Final answer
    x = 16,389.78

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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.