Home / 26,891.08-40,299.71-13,715.77

Finding the Fourth Proportional to 26,891.08, 40,299.71 and 13,715.77

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Solution

The fourth proportional to 26,891.08, 40,299.71 and 13,715.77 is: 20,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,891.08 : 40,299.71 = 13,715.77 : x
  2. Step 2: Convert to fraction form
    26,891.08/40,299.71 = 13,715.77/x
  3. Step 3: Cross multiply
    26,891.08x = 40,299.71 × 13,715.77
  4. Step 4: Simplify right side
    26,891.08x = 552,741,553.43
  5. Step 5: Solve for x
    x = 552,741,553.43/26,891.08
  6. Step 6: Final answer
    x = 20,554.83

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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.