Home / 20,882.03-28,657.42-20,734.40

Finding the Fourth Proportional to 20,882.03, 28,657.42 and 20,734.40

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Solution

The fourth proportional to 20,882.03, 28,657.42 and 20,734.40 is: 28,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,882.03 : 28,657.42 = 20,734.40 : x
  2. Step 2: Convert to fraction form
    20,882.03/28,657.42 = 20,734.40/x
  3. Step 3: Cross multiply
    20,882.03x = 28,657.42 × 20,734.40
  4. Step 4: Simplify right side
    20,882.03x = 594,194,429.06
  5. Step 5: Solve for x
    x = 594,194,429.06/20,882.03
  6. Step 6: Final answer
    x = 28,454.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.