Home / 22,009.03-32,939.42-20,188.15

Finding the Fourth Proportional to 22,009.03, 32,939.42 and 20,188.15

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Solution

The fourth proportional to 22,009.03, 32,939.42 and 20,188.15 is: 30,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.03 : 32,939.42 = 20,188.15 : x
  2. Step 2: Convert to fraction form
    22,009.03/32,939.42 = 20,188.15/x
  3. Step 3: Cross multiply
    22,009.03x = 32,939.42 × 20,188.15
  4. Step 4: Simplify right side
    22,009.03x = 664,985,951.87
  5. Step 5: Solve for x
    x = 664,985,951.87/22,009.03
  6. Step 6: Final answer
    x = 30,214.23

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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.