Home / 26,879.84-40,305.92-12,076.16

Finding the Fourth Proportional to 26,879.84, 40,305.92 and 12,076.16

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Solution

The fourth proportional to 26,879.84, 40,305.92 and 12,076.16 is: 18,108.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,879.84 : 40,305.92 = 12,076.16 : x
  2. Step 2: Convert to fraction form
    26,879.84/40,305.92 = 12,076.16/x
  3. Step 3: Cross multiply
    26,879.84x = 40,305.92 × 12,076.16
  4. Step 4: Simplify right side
    26,879.84x = 486,740,738.87
  5. Step 5: Solve for x
    x = 486,740,738.87/26,879.84
  6. Step 6: Final answer
    x = 18,108.02

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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.