Home / 27,899.47-41,838.49-11,878.85

Finding the Fourth Proportional to 27,899.47, 41,838.49 and 11,878.85

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Solution

The fourth proportional to 27,899.47, 41,838.49 and 11,878.85 is: 17,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.47 : 41,838.49 = 11,878.85 : x
  2. Step 2: Convert to fraction form
    27,899.47/41,838.49 = 11,878.85/x
  3. Step 3: Cross multiply
    27,899.47x = 41,838.49 × 11,878.85
  4. Step 4: Simplify right side
    27,899.47x = 496,992,952.59
  5. Step 5: Solve for x
    x = 496,992,952.59/27,899.47
  6. Step 6: Final answer
    x = 17,813.71

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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.