Home / 22,226.88-30,619.68-18,690.24

Finding the Fourth Proportional to 22,226.88, 30,619.68 and 18,690.24

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Solution

The fourth proportional to 22,226.88, 30,619.68 and 18,690.24 is: 25,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.88 : 30,619.68 = 18,690.24 : x
  2. Step 2: Convert to fraction form
    22,226.88/30,619.68 = 18,690.24/x
  3. Step 3: Cross multiply
    22,226.88x = 30,619.68 × 18,690.24
  4. Step 4: Simplify right side
    22,226.88x = 572,289,167.92
  5. Step 5: Solve for x
    x = 572,289,167.92/22,226.88
  6. Step 6: Final answer
    x = 25,747.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.