Home / 28,764.28-39,694.67-16,018.58

Finding the Fourth Proportional to 28,764.28, 39,694.67 and 16,018.58

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Solution

The fourth proportional to 28,764.28, 39,694.67 and 16,018.58 is: 22,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.28 : 39,694.67 = 16,018.58 : x
  2. Step 2: Convert to fraction form
    28,764.28/39,694.67 = 16,018.58/x
  3. Step 3: Cross multiply
    28,764.28x = 39,694.67 × 16,018.58
  4. Step 4: Simplify right side
    28,764.28x = 635,852,153.72
  5. Step 5: Solve for x
    x = 635,852,153.72/28,764.28
  6. Step 6: Final answer
    x = 22,105.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.