Home / 20,025.96-30,024.36-8,329.56

Finding the Fourth Proportional to 20,025.96, 30,024.36 and 8,329.56

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Solution

The fourth proportional to 20,025.96, 30,024.36 and 8,329.56 is: 12,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.96 : 30,024.36 = 8,329.56 : x
  2. Step 2: Convert to fraction form
    20,025.96/30,024.36 = 8,329.56/x
  3. Step 3: Cross multiply
    20,025.96x = 30,024.36 × 8,329.56
  4. Step 4: Simplify right side
    20,025.96x = 250,089,708.08
  5. Step 5: Solve for x
    x = 250,089,708.08/20,025.96
  6. Step 6: Final answer
    x = 12,488.28

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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.