Home / 26,231.84-36,168.44-21,434.04

Finding the Fourth Proportional to 26,231.84, 36,168.44 and 21,434.04

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Solution

The fourth proportional to 26,231.84, 36,168.44 and 21,434.04 is: 29,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.84 : 36,168.44 = 21,434.04 : x
  2. Step 2: Convert to fraction form
    26,231.84/36,168.44 = 21,434.04/x
  3. Step 3: Cross multiply
    26,231.84x = 36,168.44 × 21,434.04
  4. Step 4: Simplify right side
    26,231.84x = 775,235,789.70
  5. Step 5: Solve for x
    x = 775,235,789.70/26,231.84
  6. Step 6: Final answer
    x = 29,553.24

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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.