Home / 27,287.28-40,946.61-11,491.07

Finding the Fourth Proportional to 27,287.28, 40,946.61 and 11,491.07

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Solution

The fourth proportional to 27,287.28, 40,946.61 and 11,491.07 is: 17,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287.28 : 40,946.61 = 11,491.07 : x
  2. Step 2: Convert to fraction form
    27,287.28/40,946.61 = 11,491.07/x
  3. Step 3: Cross multiply
    27,287.28x = 40,946.61 × 11,491.07
  4. Step 4: Simplify right side
    27,287.28x = 470,520,361.77
  5. Step 5: Solve for x
    x = 470,520,361.77/27,287.28
  6. Step 6: Final answer
    x = 17,243.21

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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.