Home / 26,921.98-40,382.61-9,391.72

Finding the Fourth Proportional to 26,921.98, 40,382.61 and 9,391.72

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Solution

The fourth proportional to 26,921.98, 40,382.61 and 9,391.72 is: 14,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.98 : 40,382.61 = 9,391.72 : x
  2. Step 2: Convert to fraction form
    26,921.98/40,382.61 = 9,391.72/x
  3. Step 3: Cross multiply
    26,921.98x = 40,382.61 × 9,391.72
  4. Step 4: Simplify right side
    26,921.98x = 379,262,165.99
  5. Step 5: Solve for x
    x = 379,262,165.99/26,921.98
  6. Step 6: Final answer
    x = 14,087.45

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Similar ratio
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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.