Home / 28,834.78-39,791.92-16,259.44

Finding the Fourth Proportional to 28,834.78, 39,791.92 and 16,259.44

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Solution

The fourth proportional to 28,834.78, 39,791.92 and 16,259.44 is: 22,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.78 : 39,791.92 = 16,259.44 : x
  2. Step 2: Convert to fraction form
    28,834.78/39,791.92 = 16,259.44/x
  3. Step 3: Cross multiply
    28,834.78x = 39,791.92 × 16,259.44
  4. Step 4: Simplify right side
    28,834.78x = 646,994,136.77
  5. Step 5: Solve for x
    x = 646,994,136.77/28,834.78
  6. Step 6: Final answer
    x = 22,437.98

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1.5x scale

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.