Home / 28,834.30-39,791.82-16,259.32

Finding the Fourth Proportional to 28,834.30, 39,791.82 and 16,259.32

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Solution

The fourth proportional to 28,834.30, 39,791.82 and 16,259.32 is: 22,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.30 : 39,791.82 = 16,259.32 : x
  2. Step 2: Convert to fraction form
    28,834.30/39,791.82 = 16,259.32/x
  3. Step 3: Cross multiply
    28,834.30x = 39,791.82 × 16,259.32
  4. Step 4: Simplify right side
    28,834.30x = 646,987,934.76
  5. Step 5: Solve for x
    x = 646,987,934.76/28,834.30
  6. Step 6: Final answer
    x = 22,438.14

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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.