Home / 20,015.26-30,022.89-5,224.05

Finding the Fourth Proportional to 20,015.26, 30,022.89 and 5,224.05

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Solution

The fourth proportional to 20,015.26, 30,022.89 and 5,224.05 is: 7,836.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.26 : 30,022.89 = 5,224.05 : x
  2. Step 2: Convert to fraction form
    20,015.26/30,022.89 = 5,224.05/x
  3. Step 3: Cross multiply
    20,015.26x = 30,022.89 × 5,224.05
  4. Step 4: Simplify right side
    20,015.26x = 156,840,946.33
  5. Step 5: Solve for x
    x = 156,840,946.33/20,015.26
  6. Step 6: Final answer
    x = 7,836.07

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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.