Home / 26,718.96-40,086.12-8,000.40

Finding the Fourth Proportional to 26,718.96, 40,086.12 and 8,000.40

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Solution

The fourth proportional to 26,718.96, 40,086.12 and 8,000.40 is: 12,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,718.96 : 40,086.12 = 8,000.40 : x
  2. Step 2: Convert to fraction form
    26,718.96/40,086.12 = 8,000.40/x
  3. Step 3: Cross multiply
    26,718.96x = 40,086.12 × 8,000.40
  4. Step 4: Simplify right side
    26,718.96x = 320,704,994.45
  5. Step 5: Solve for x
    x = 320,704,994.45/26,718.96
  6. Step 6: Final answer
    x = 12,002.90

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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.