Home / 20,377.44-30,567.60-7,226.28

Finding the Fourth Proportional to 20,377.44, 30,567.60 and 7,226.28

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Solution

The fourth proportional to 20,377.44, 30,567.60 and 7,226.28 is: 10,839.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.44 : 30,567.60 = 7,226.28 : x
  2. Step 2: Convert to fraction form
    20,377.44/30,567.60 = 7,226.28/x
  3. Step 3: Cross multiply
    20,377.44x = 30,567.60 × 7,226.28
  4. Step 4: Simplify right side
    20,377.44x = 220,890,036.53
  5. Step 5: Solve for x
    x = 220,890,036.53/20,377.44
  6. Step 6: Final answer
    x = 10,839.93

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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.