Home / 27,825.92-38,399.70-15,250.70

Finding the Fourth Proportional to 27,825.92, 38,399.70 and 15,250.70

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Solution

The fourth proportional to 27,825.92, 38,399.70 and 15,250.70 is: 21,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.92 : 38,399.70 = 15,250.70 : x
  2. Step 2: Convert to fraction form
    27,825.92/38,399.70 = 15,250.70/x
  3. Step 3: Cross multiply
    27,825.92x = 38,399.70 × 15,250.70
  4. Step 4: Simplify right side
    27,825.92x = 585,622,304.79
  5. Step 5: Solve for x
    x = 585,622,304.79/27,825.92
  6. Step 6: Final answer
    x = 21,045.93

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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.