Home / 28,327.09-39,096.27-16,397

Finding the Fourth Proportional to 28,327.09, 39,096.27 and 16,397

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Solution

The fourth proportional to 28,327.09, 39,096.27 and 16,397 is: 22,630.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.09 : 39,096.27 = 16,397 : x
  2. Step 2: Convert to fraction form
    28,327.09/39,096.27 = 16,397/x
  3. Step 3: Cross multiply
    28,327.09x = 39,096.27 × 16,397
  4. Step 4: Simplify right side
    28,327.09x = 641,061,539.19
  5. Step 5: Solve for x
    x = 641,061,539.19/28,327.09
  6. Step 6: Final answer
    x = 22,630.69

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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.