Home / 26,676.88-39,953.04-21,092.72

Finding the Fourth Proportional to 26,676.88, 39,953.04 and 21,092.72

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Solution

The fourth proportional to 26,676.88, 39,953.04 and 21,092.72 is: 31,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.88 : 39,953.04 = 21,092.72 : x
  2. Step 2: Convert to fraction form
    26,676.88/39,953.04 = 21,092.72/x
  3. Step 3: Cross multiply
    26,676.88x = 39,953.04 × 21,092.72
  4. Step 4: Simplify right side
    26,676.88x = 842,718,285.87
  5. Step 5: Solve for x
    x = 842,718,285.87/26,676.88
  6. Step 6: Final answer
    x = 31,589.84

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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.