Home / 17,789.68-26,684.49-16,707.12

Finding the Fourth Proportional to 17,789.68, 26,684.49 and 16,707.12

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Solution

The fourth proportional to 17,789.68, 26,684.49 and 16,707.12 is: 25,060.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,789.68 : 26,684.49 = 16,707.12 : x
  2. Step 2: Convert to fraction form
    17,789.68/26,684.49 = 16,707.12/x
  3. Step 3: Cross multiply
    17,789.68x = 26,684.49 × 16,707.12
  4. Step 4: Simplify right side
    17,789.68x = 445,820,909.86
  5. Step 5: Solve for x
    x = 445,820,909.86/17,789.68
  6. Step 6: Final answer
    x = 25,060.64

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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.