Home / 28,717.43-43,058.50-11,166.80

Finding the Fourth Proportional to 28,717.43, 43,058.50 and 11,166.80

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Solution

The fourth proportional to 28,717.43, 43,058.50 and 11,166.80 is: 16,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.43 : 43,058.50 = 11,166.80 : x
  2. Step 2: Convert to fraction form
    28,717.43/43,058.50 = 11,166.80/x
  3. Step 3: Cross multiply
    28,717.43x = 43,058.50 × 11,166.80
  4. Step 4: Simplify right side
    28,717.43x = 480,825,414.59
  5. Step 5: Solve for x
    x = 480,825,414.59/28,717.43
  6. Step 6: Final answer
    x = 16,743.33

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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.