Home / 28,384.92-39,167.64-16,448.04

Finding the Fourth Proportional to 28,384.92, 39,167.64 and 16,448.04

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Solution

The fourth proportional to 28,384.92, 39,167.64 and 16,448.04 is: 22,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384.92 : 39,167.64 = 16,448.04 : x
  2. Step 2: Convert to fraction form
    28,384.92/39,167.64 = 16,448.04/x
  3. Step 3: Cross multiply
    28,384.92x = 39,167.64 × 16,448.04
  4. Step 4: Simplify right side
    28,384.92x = 644,230,909.43
  5. Step 5: Solve for x
    x = 644,230,909.43/28,384.92
  6. Step 6: Final answer
    x = 22,696.24

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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.