Home / 27,486.45-37,920.94-16,156.44

Finding the Fourth Proportional to 27,486.45, 37,920.94 and 16,156.44

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Solution

The fourth proportional to 27,486.45, 37,920.94 and 16,156.44 is: 22,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486.45 : 37,920.94 = 16,156.44 : x
  2. Step 2: Convert to fraction form
    27,486.45/37,920.94 = 16,156.44/x
  3. Step 3: Cross multiply
    27,486.45x = 37,920.94 × 16,156.44
  4. Step 4: Simplify right side
    27,486.45x = 612,667,391.85
  5. Step 5: Solve for x
    x = 612,667,391.85/27,486.45
  6. Step 6: Final answer
    x = 22,289.80

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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.