Home / 28,887.44-39,862.73-16,311.38

Finding the Fourth Proportional to 28,887.44, 39,862.73 and 16,311.38

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Solution

The fourth proportional to 28,887.44, 39,862.73 and 16,311.38 is: 22,508.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.44 : 39,862.73 = 16,311.38 : x
  2. Step 2: Convert to fraction form
    28,887.44/39,862.73 = 16,311.38/x
  3. Step 3: Cross multiply
    28,887.44x = 39,862.73 × 16,311.38
  4. Step 4: Simplify right side
    28,887.44x = 650,215,978.33
  5. Step 5: Solve for x
    x = 650,215,978.33/28,887.44
  6. Step 6: Final answer
    x = 22,508.61

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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.