Home / 28,010.92-38,649.38-16,078.12

Finding the Fourth Proportional to 28,010.92, 38,649.38 and 16,078.12

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Solution

The fourth proportional to 28,010.92, 38,649.38 and 16,078.12 is: 22,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.92 : 38,649.38 = 16,078.12 : x
  2. Step 2: Convert to fraction form
    28,010.92/38,649.38 = 16,078.12/x
  3. Step 3: Cross multiply
    28,010.92x = 38,649.38 × 16,078.12
  4. Step 4: Simplify right side
    28,010.92x = 621,409,369.57
  5. Step 5: Solve for x
    x = 621,409,369.57/28,010.92
  6. Step 6: Final answer
    x = 22,184.54

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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.