Home / 27,328.92-40,989.30-7,605.42

Finding the Fourth Proportional to 27,328.92, 40,989.30 and 7,605.42

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Solution

The fourth proportional to 27,328.92, 40,989.30 and 7,605.42 is: 11,406.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,328.92 : 40,989.30 = 7,605.42 : x
  2. Step 2: Convert to fraction form
    27,328.92/40,989.30 = 7,605.42/x
  3. Step 3: Cross multiply
    27,328.92x = 40,989.30 × 7,605.42
  4. Step 4: Simplify right side
    27,328.92x = 311,740,842.01
  5. Step 5: Solve for x
    x = 311,740,842.01/27,328.92
  6. Step 6: Final answer
    x = 11,406.99

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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.