Home / 20,564.26-30,770.61-14,542.54

Finding the Fourth Proportional to 20,564.26, 30,770.61 and 14,542.54

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Solution

The fourth proportional to 20,564.26, 30,770.61 and 14,542.54 is: 21,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564.26 : 30,770.61 = 14,542.54 : x
  2. Step 2: Convert to fraction form
    20,564.26/30,770.61 = 14,542.54/x
  3. Step 3: Cross multiply
    20,564.26x = 30,770.61 × 14,542.54
  4. Step 4: Simplify right side
    20,564.26x = 447,482,826.75
  5. Step 5: Solve for x
    x = 447,482,826.75/20,564.26
  6. Step 6: Final answer
    x = 21,760.22

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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.