Home / 26,719.24-40,084.58-8,000.72

Finding the Fourth Proportional to 26,719.24, 40,084.58 and 8,000.72

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Solution

The fourth proportional to 26,719.24, 40,084.58 and 8,000.72 is: 12,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,719.24 : 40,084.58 = 8,000.72 : x
  2. Step 2: Convert to fraction form
    26,719.24/40,084.58 = 8,000.72/x
  3. Step 3: Cross multiply
    26,719.24x = 40,084.58 × 8,000.72
  4. Step 4: Simplify right side
    26,719.24x = 320,705,500.90
  5. Step 5: Solve for x
    x = 320,705,500.90/26,719.24
  6. Step 6: Final answer
    x = 12,002.79

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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.