Home / 27,821.94-38,395.26-15,246.69

Finding the Fourth Proportional to 27,821.94, 38,395.26 and 15,246.69

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Solution

The fourth proportional to 27,821.94, 38,395.26 and 15,246.69 is: 21,040.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.94 : 38,395.26 = 15,246.69 : x
  2. Step 2: Convert to fraction form
    27,821.94/38,395.26 = 15,246.69/x
  3. Step 3: Cross multiply
    27,821.94x = 38,395.26 × 15,246.69
  4. Step 4: Simplify right side
    27,821.94x = 585,400,626.69
  5. Step 5: Solve for x
    x = 585,400,626.69/27,821.94
  6. Step 6: Final answer
    x = 21,040.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.