Home / 27,239.21-40,861.16-7,517.76

Finding the Fourth Proportional to 27,239.21, 40,861.16 and 7,517.76

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Solution

The fourth proportional to 27,239.21, 40,861.16 and 7,517.76 is: 11,277.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,239.21 : 40,861.16 = 7,517.76 : x
  2. Step 2: Convert to fraction form
    27,239.21/40,861.16 = 7,517.76/x
  3. Step 3: Cross multiply
    27,239.21x = 40,861.16 × 7,517.76
  4. Step 4: Simplify right side
    27,239.21x = 307,184,515.15
  5. Step 5: Solve for x
    x = 307,184,515.15/27,239.21
  6. Step 6: Final answer
    x = 11,277.29

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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.