Home / 28,775.92-43,149.41-16,771.94

Finding the Fourth Proportional to 28,775.92, 43,149.41 and 16,771.94

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Solution

The fourth proportional to 28,775.92, 43,149.41 and 16,771.94 is: 25,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775.92 : 43,149.41 = 16,771.94 : x
  2. Step 2: Convert to fraction form
    28,775.92/43,149.41 = 16,771.94/x
  3. Step 3: Cross multiply
    28,775.92x = 43,149.41 × 16,771.94
  4. Step 4: Simplify right side
    28,775.92x = 723,699,141.74
  5. Step 5: Solve for x
    x = 723,699,141.74/28,775.92
  6. Step 6: Final answer
    x = 25,149.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.