Home / 17,821.44-26,709.12-15,733.44

Finding the Fourth Proportional to 17,821.44, 26,709.12 and 15,733.44

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Solution

The fourth proportional to 17,821.44, 26,709.12 and 15,733.44 is: 23,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,821.44 : 26,709.12 = 15,733.44 : x
  2. Step 2: Convert to fraction form
    17,821.44/26,709.12 = 15,733.44/x
  3. Step 3: Cross multiply
    17,821.44x = 26,709.12 × 15,733.44
  4. Step 4: Simplify right side
    17,821.44x = 420,226,336.97
  5. Step 5: Solve for x
    x = 420,226,336.97/17,821.44
  6. Step 6: Final answer
    x = 23,579.82

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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.