Home / 26,964.78-40,421.04-10,311.99

Finding the Fourth Proportional to 26,964.78, 40,421.04 and 10,311.99

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Solution

The fourth proportional to 26,964.78, 40,421.04 and 10,311.99 is: 15,457.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,964.78 : 40,421.04 = 10,311.99 : x
  2. Step 2: Convert to fraction form
    26,964.78/40,421.04 = 10,311.99/x
  3. Step 3: Cross multiply
    26,964.78x = 40,421.04 × 10,311.99
  4. Step 4: Simplify right side
    26,964.78x = 416,821,360.27
  5. Step 5: Solve for x
    x = 416,821,360.27/26,964.78
  6. Step 6: Final answer
    x = 15,457.99

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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.