Home / 28,733.68-39,650.36-16,156

Finding the Fourth Proportional to 28,733.68, 39,650.36 and 16,156

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Solution

The fourth proportional to 28,733.68, 39,650.36 and 16,156 is: 22,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.68 : 39,650.36 = 16,156 : x
  2. Step 2: Convert to fraction form
    28,733.68/39,650.36 = 16,156/x
  3. Step 3: Cross multiply
    28,733.68x = 39,650.36 × 16,156
  4. Step 4: Simplify right side
    28,733.68x = 640,591,216.16
  5. Step 5: Solve for x
    x = 640,591,216.16/28,733.68
  6. Step 6: Final answer
    x = 22,294.09

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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.