Home / 28,793.40-39,721.31-16,849.35

Finding the Fourth Proportional to 28,793.40, 39,721.31 and 16,849.35

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Solution

The fourth proportional to 28,793.40, 39,721.31 and 16,849.35 is: 23,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,793.40 : 39,721.31 = 16,849.35 : x
  2. Step 2: Convert to fraction form
    28,793.40/39,721.31 = 16,849.35/x
  3. Step 3: Cross multiply
    28,793.40x = 39,721.31 × 16,849.35
  4. Step 4: Simplify right side
    28,793.40x = 669,278,056.04
  5. Step 5: Solve for x
    x = 669,278,056.04/28,793.40
  6. Step 6: Final answer
    x = 23,244.15

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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.