Home / 17,933.76-26,899.72-5,453.74

Finding the Fourth Proportional to 17,933.76, 26,899.72 and 5,453.74

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Solution

The fourth proportional to 17,933.76, 26,899.72 and 5,453.74 is: 8,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,933.76 : 26,899.72 = 5,453.74 : x
  2. Step 2: Convert to fraction form
    17,933.76/26,899.72 = 5,453.74/x
  3. Step 3: Cross multiply
    17,933.76x = 26,899.72 × 5,453.74
  4. Step 4: Simplify right side
    17,933.76x = 146,704,078.95
  5. Step 5: Solve for x
    x = 146,704,078.95/17,933.76
  6. Step 6: Final answer
    x = 8,180.33

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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.