Home / 28,910.76-43,372.18-16,436.52

Finding the Fourth Proportional to 28,910.76, 43,372.18 and 16,436.52

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Solution

The fourth proportional to 28,910.76, 43,372.18 and 16,436.52 is: 24,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.76 : 43,372.18 = 16,436.52 : x
  2. Step 2: Convert to fraction form
    28,910.76/43,372.18 = 16,436.52/x
  3. Step 3: Cross multiply
    28,910.76x = 43,372.18 × 16,436.52
  4. Step 4: Simplify right side
    28,910.76x = 712,887,704.01
  5. Step 5: Solve for x
    x = 712,887,704.01/28,910.76
  6. Step 6: Final answer
    x = 24,658.21

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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.