Home / 26,939.94-37,115.16-21,272.61

Finding the Fourth Proportional to 26,939.94, 37,115.16 and 21,272.61

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Solution

The fourth proportional to 26,939.94, 37,115.16 and 21,272.61 is: 29,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,939.94 : 37,115.16 = 21,272.61 : x
  2. Step 2: Convert to fraction form
    26,939.94/37,115.16 = 21,272.61/x
  3. Step 3: Cross multiply
    26,939.94x = 37,115.16 × 21,272.61
  4. Step 4: Simplify right side
    26,939.94x = 789,536,294.06
  5. Step 5: Solve for x
    x = 789,536,294.06/26,939.94
  6. Step 6: Final answer
    x = 29,307.28

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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.