Home / 20,704.22-30,960.95-15,377.46

Finding the Fourth Proportional to 20,704.22, 30,960.95 and 15,377.46

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Solution

The fourth proportional to 20,704.22, 30,960.95 and 15,377.46 is: 22,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704.22 : 30,960.95 = 15,377.46 : x
  2. Step 2: Convert to fraction form
    20,704.22/30,960.95 = 15,377.46/x
  3. Step 3: Cross multiply
    20,704.22x = 30,960.95 × 15,377.46
  4. Step 4: Simplify right side
    20,704.22x = 476,100,693.30
  5. Step 5: Solve for x
    x = 476,100,693.30/20,704.22
  6. Step 6: Final answer
    x = 22,995.35

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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.