Home / 28,432.26-39,233.37-16,493.28

Finding the Fourth Proportional to 28,432.26, 39,233.37 and 16,493.28

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Solution

The fourth proportional to 28,432.26, 39,233.37 and 16,493.28 is: 22,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432.26 : 39,233.37 = 16,493.28 : x
  2. Step 2: Convert to fraction form
    28,432.26/39,233.37 = 16,493.28/x
  3. Step 3: Cross multiply
    28,432.26x = 39,233.37 × 16,493.28
  4. Step 4: Simplify right side
    28,432.26x = 647,086,956.75
  5. Step 5: Solve for x
    x = 647,086,956.75/28,432.26
  6. Step 6: Final answer
    x = 22,758.90

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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.