Home / 28,753.68-39,677.94-16,176

Finding the Fourth Proportional to 28,753.68, 39,677.94 and 16,176

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Solution

The fourth proportional to 28,753.68, 39,677.94 and 16,176 is: 22,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753.68 : 39,677.94 = 16,176 : x
  2. Step 2: Convert to fraction form
    28,753.68/39,677.94 = 16,176/x
  3. Step 3: Cross multiply
    28,753.68x = 39,677.94 × 16,176
  4. Step 4: Simplify right side
    28,753.68x = 641,830,357.44
  5. Step 5: Solve for x
    x = 641,830,357.44/28,753.68
  6. Step 6: Final answer
    x = 22,321.68

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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.