Home / 26,137.82-36,004.23-21,087.91

Finding the Fourth Proportional to 26,137.82, 36,004.23 and 21,087.91

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Solution

The fourth proportional to 26,137.82, 36,004.23 and 21,087.91 is: 29,048.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,137.82 : 36,004.23 = 21,087.91 : x
  2. Step 2: Convert to fraction form
    26,137.82/36,004.23 = 21,087.91/x
  3. Step 3: Cross multiply
    26,137.82x = 36,004.23 × 21,087.91
  4. Step 4: Simplify right side
    26,137.82x = 759,253,961.86
  5. Step 5: Solve for x
    x = 759,253,961.86/26,137.82
  6. Step 6: Final answer
    x = 29,048.10

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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.