Home / 28,834.92-39,795.28-16,908.30

Finding the Fourth Proportional to 28,834.92, 39,795.28 and 16,908.30

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Solution

The fourth proportional to 28,834.92, 39,795.28 and 16,908.30 is: 23,335.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.92 : 39,795.28 = 16,908.30 : x
  2. Step 2: Convert to fraction form
    28,834.92/39,795.28 = 16,908.30/x
  3. Step 3: Cross multiply
    28,834.92x = 39,795.28 × 16,908.30
  4. Step 4: Simplify right side
    28,834.92x = 672,870,532.82
  5. Step 5: Solve for x
    x = 672,870,532.82/28,834.92
  6. Step 6: Final answer
    x = 23,335.27

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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.