Home / 20,846.46-28,793.37-15,172.22

Finding the Fourth Proportional to 20,846.46, 28,793.37 and 15,172.22

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Solution

The fourth proportional to 20,846.46, 28,793.37 and 15,172.22 is: 20,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.46 : 28,793.37 = 15,172.22 : x
  2. Step 2: Convert to fraction form
    20,846.46/28,793.37 = 15,172.22/x
  3. Step 3: Cross multiply
    20,846.46x = 28,793.37 × 15,172.22
  4. Step 4: Simplify right side
    20,846.46x = 436,859,200.21
  5. Step 5: Solve for x
    x = 436,859,200.21/20,846.46
  6. Step 6: Final answer
    x = 20,956.04

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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.