Home / 28,742.50-39,664.66-16,167.52

Finding the Fourth Proportional to 28,742.50, 39,664.66 and 16,167.52

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Solution

The fourth proportional to 28,742.50, 39,664.66 and 16,167.52 is: 22,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,742.50 : 39,664.66 = 16,167.52 : x
  2. Step 2: Convert to fraction form
    28,742.50/39,664.66 = 16,167.52/x
  3. Step 3: Cross multiply
    28,742.50x = 39,664.66 × 16,167.52
  4. Step 4: Simplify right side
    28,742.50x = 641,279,183.84
  5. Step 5: Solve for x
    x = 641,279,183.84/28,742.50
  6. Step 6: Final answer
    x = 22,311.18

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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.