Home / 22,007.40-32,938.20-20,257.80

Finding the Fourth Proportional to 22,007.40, 32,938.20 and 20,257.80

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Solution

The fourth proportional to 22,007.40, 32,938.20 and 20,257.80 is: 30,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.40 : 32,938.20 = 20,257.80 : x
  2. Step 2: Convert to fraction form
    22,007.40/32,938.20 = 20,257.80/x
  3. Step 3: Cross multiply
    22,007.40x = 32,938.20 × 20,257.80
  4. Step 4: Simplify right side
    22,007.40x = 667,255,467.96
  5. Step 5: Solve for x
    x = 667,255,467.96/22,007.40
  6. Step 6: Final answer
    x = 30,319.60

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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.