Home / 20,274.62-30,311.95-17,189.06

Finding the Fourth Proportional to 20,274.62, 30,311.95 and 17,189.06

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Solution

The fourth proportional to 20,274.62, 30,311.95 and 17,189.06 is: 25,698.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274.62 : 30,311.95 = 17,189.06 : x
  2. Step 2: Convert to fraction form
    20,274.62/30,311.95 = 17,189.06/x
  3. Step 3: Cross multiply
    20,274.62x = 30,311.95 × 17,189.06
  4. Step 4: Simplify right side
    20,274.62x = 521,033,927.27
  5. Step 5: Solve for x
    x = 521,033,927.27/20,274.62
  6. Step 6: Final answer
    x = 25,698.83

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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.