Home / 20,528.80-30,796.40-6,673.44

Finding the Fourth Proportional to 20,528.80, 30,796.40 and 6,673.44

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Solution

The fourth proportional to 20,528.80, 30,796.40 and 6,673.44 is: 10,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,528.80 : 30,796.40 = 6,673.44 : x
  2. Step 2: Convert to fraction form
    20,528.80/30,796.40 = 6,673.44/x
  3. Step 3: Cross multiply
    20,528.80x = 30,796.40 × 6,673.44
  4. Step 4: Simplify right side
    20,528.80x = 205,517,927.62
  5. Step 5: Solve for x
    x = 205,517,927.62/20,528.80
  6. Step 6: Final answer
    x = 10,011.20

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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.