Home / 26,786.02-40,179.94-12,738.82

Finding the Fourth Proportional to 26,786.02, 40,179.94 and 12,738.82

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Solution

The fourth proportional to 26,786.02, 40,179.94 and 12,738.82 is: 19,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,786.02 : 40,179.94 = 12,738.82 : x
  2. Step 2: Convert to fraction form
    26,786.02/40,179.94 = 12,738.82/x
  3. Step 3: Cross multiply
    26,786.02x = 40,179.94 × 12,738.82
  4. Step 4: Simplify right side
    26,786.02x = 511,845,023.27
  5. Step 5: Solve for x
    x = 511,845,023.27/26,786.02
  6. Step 6: Final answer
    x = 19,108.66

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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.