Home / 36,628.60-50,550.60-20,715.88

Finding the Fourth Proportional to 36,628.60, 50,550.60 and 20,715.88

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Solution

The fourth proportional to 36,628.60, 50,550.60 and 20,715.88 is: 28,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,628.60 : 50,550.60 = 20,715.88 : x
  2. Step 2: Convert to fraction form
    36,628.60/50,550.60 = 20,715.88/x
  3. Step 3: Cross multiply
    36,628.60x = 50,550.60 × 20,715.88
  4. Step 4: Simplify right side
    36,628.60x = 1,047,200,163.53
  5. Step 5: Solve for x
    x = 1,047,200,163.53/36,628.60
  6. Step 6: Final answer
    x = 28,589.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.