Home / 20,017.59-30,028.08-5,976.72

Finding the Fourth Proportional to 20,017.59, 30,028.08 and 5,976.72

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Solution

The fourth proportional to 20,017.59, 30,028.08 and 5,976.72 is: 8,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.59 : 30,028.08 = 5,976.72 : x
  2. Step 2: Convert to fraction form
    20,017.59/30,028.08 = 5,976.72/x
  3. Step 3: Cross multiply
    20,017.59x = 30,028.08 × 5,976.72
  4. Step 4: Simplify right side
    20,017.59x = 179,469,426.30
  5. Step 5: Solve for x
    x = 179,469,426.30/20,017.59
  6. Step 6: Final answer
    x = 8,965.59

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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.