Home / 28,180.14-38,879.78-16,241.87

Finding the Fourth Proportional to 28,180.14, 38,879.78 and 16,241.87

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Solution

The fourth proportional to 28,180.14, 38,879.78 and 16,241.87 is: 22,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180.14 : 38,879.78 = 16,241.87 : x
  2. Step 2: Convert to fraction form
    28,180.14/38,879.78 = 16,241.87/x
  3. Step 3: Cross multiply
    28,180.14x = 38,879.78 × 16,241.87
  4. Step 4: Simplify right side
    28,180.14x = 631,480,056.78
  5. Step 5: Solve for x
    x = 631,480,056.78/28,180.14
  6. Step 6: Final answer
    x = 22,408.69

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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.