Home / 20,441.96-30,588.92-16,899.02

Finding the Fourth Proportional to 20,441.96, 30,588.92 and 16,899.02

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Solution

The fourth proportional to 20,441.96, 30,588.92 and 16,899.02 is: 25,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.96 : 30,588.92 = 16,899.02 : x
  2. Step 2: Convert to fraction form
    20,441.96/30,588.92 = 16,899.02/x
  3. Step 3: Cross multiply
    20,441.96x = 30,588.92 × 16,899.02
  4. Step 4: Simplify right side
    20,441.96x = 516,922,770.86
  5. Step 5: Solve for x
    x = 516,922,770.86/20,441.96
  6. Step 6: Final answer
    x = 25,287.34

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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.