Home / 28,833.39-43,274.39-11,315.52

Finding the Fourth Proportional to 28,833.39, 43,274.39 and 11,315.52

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Solution

The fourth proportional to 28,833.39, 43,274.39 and 11,315.52 is: 16,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,833.39 : 43,274.39 = 11,315.52 : x
  2. Step 2: Convert to fraction form
    28,833.39/43,274.39 = 11,315.52/x
  3. Step 3: Cross multiply
    28,833.39x = 43,274.39 × 11,315.52
  4. Step 4: Simplify right side
    28,833.39x = 489,672,168.96
  5. Step 5: Solve for x
    x = 489,672,168.96/28,833.39
  6. Step 6: Final answer
    x = 16,982.82

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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.