Home / 28,961.24-39,945.90-26,578.91

Finding the Fourth Proportional to 28,961.24, 39,945.90 and 26,578.91

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Solution

The fourth proportional to 28,961.24, 39,945.90 and 26,578.91 is: 36,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.24 : 39,945.90 = 26,578.91 : x
  2. Step 2: Convert to fraction form
    28,961.24/39,945.90 = 26,578.91/x
  3. Step 3: Cross multiply
    28,961.24x = 39,945.90 × 26,578.91
  4. Step 4: Simplify right side
    28,961.24x = 1,061,718,480.97
  5. Step 5: Solve for x
    x = 1,061,718,480.97/28,961.24
  6. Step 6: Final answer
    x = 36,659.98

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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.