Home / 28,717.97-43,083.83-13,909.58

Finding the Fourth Proportional to 28,717.97, 43,083.83 and 13,909.58

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Solution

The fourth proportional to 28,717.97, 43,083.83 and 13,909.58 is: 20,867.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.97 : 43,083.83 = 13,909.58 : x
  2. Step 2: Convert to fraction form
    28,717.97/43,083.83 = 13,909.58/x
  3. Step 3: Cross multiply
    28,717.97x = 43,083.83 × 13,909.58
  4. Step 4: Simplify right side
    28,717.97x = 599,277,695.12
  5. Step 5: Solve for x
    x = 599,277,695.12/28,717.97
  6. Step 6: Final answer
    x = 20,867.69

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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.