Home / 26,798.15-40,199.10-8,078.34

Finding the Fourth Proportional to 26,798.15, 40,199.10 and 8,078.34

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Solution

The fourth proportional to 26,798.15, 40,199.10 and 8,078.34 is: 12,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,798.15 : 40,199.10 = 8,078.34 : x
  2. Step 2: Convert to fraction form
    26,798.15/40,199.10 = 8,078.34/x
  3. Step 3: Cross multiply
    26,798.15x = 40,199.10 × 8,078.34
  4. Step 4: Simplify right side
    26,798.15x = 324,741,997.49
  5. Step 5: Solve for x
    x = 324,741,997.49/26,798.15
  6. Step 6: Final answer
    x = 12,118.08

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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.