Home / 28,618.38-39,494.07-16,042.86

Finding the Fourth Proportional to 28,618.38, 39,494.07 and 16,042.86

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Solution

The fourth proportional to 28,618.38, 39,494.07 and 16,042.86 is: 22,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618.38 : 39,494.07 = 16,042.86 : x
  2. Step 2: Convert to fraction form
    28,618.38/39,494.07 = 16,042.86/x
  3. Step 3: Cross multiply
    28,618.38x = 39,494.07 × 16,042.86
  4. Step 4: Simplify right side
    28,618.38x = 633,597,835.84
  5. Step 5: Solve for x
    x = 633,597,835.84/28,618.38
  6. Step 6: Final answer
    x = 22,139.54

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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.