Home / 28,149.94-38,845.56-16,050.87

Finding the Fourth Proportional to 28,149.94, 38,845.56 and 16,050.87

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Solution

The fourth proportional to 28,149.94, 38,845.56 and 16,050.87 is: 22,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149.94 : 38,845.56 = 16,050.87 : x
  2. Step 2: Convert to fraction form
    28,149.94/38,845.56 = 16,050.87/x
  3. Step 3: Cross multiply
    28,149.94x = 38,845.56 × 16,050.87
  4. Step 4: Simplify right side
    28,149.94x = 623,505,125.88
  5. Step 5: Solve for x
    x = 623,505,125.88/28,149.94
  6. Step 6: Final answer
    x = 22,149.43

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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.