Home / 28,717.99-43,060.79-11,167.72

Finding the Fourth Proportional to 28,717.99, 43,060.79 and 11,167.72

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Solution

The fourth proportional to 28,717.99, 43,060.79 and 11,167.72 is: 16,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.99 : 43,060.79 = 11,167.72 : x
  2. Step 2: Convert to fraction form
    28,717.99/43,060.79 = 11,167.72/x
  3. Step 3: Cross multiply
    28,717.99x = 43,060.79 × 11,167.72
  4. Step 4: Simplify right side
    28,717.99x = 480,890,789.86
  5. Step 5: Solve for x
    x = 480,890,789.86/28,717.99
  6. Step 6: Final answer
    x = 16,745.28

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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.