Home / 27,285.28-40,943.61-11,489.06

Finding the Fourth Proportional to 27,285.28, 40,943.61 and 11,489.06

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Solution

The fourth proportional to 27,285.28, 40,943.61 and 11,489.06 is: 17,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.28 : 40,943.61 = 11,489.06 : x
  2. Step 2: Convert to fraction form
    27,285.28/40,943.61 = 11,489.06/x
  3. Step 3: Cross multiply
    27,285.28x = 40,943.61 × 11,489.06
  4. Step 4: Simplify right side
    27,285.28x = 470,403,694.27
  5. Step 5: Solve for x
    x = 470,403,694.27/27,285.28
  6. Step 6: Final answer
    x = 17,240.20

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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.