Home / 27,570.17-38,046.38-15,305.15

Finding the Fourth Proportional to 27,570.17, 38,046.38 and 15,305.15

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Solution

The fourth proportional to 27,570.17, 38,046.38 and 15,305.15 is: 21,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,570.17 : 38,046.38 = 15,305.15 : x
  2. Step 2: Convert to fraction form
    27,570.17/38,046.38 = 15,305.15/x
  3. Step 3: Cross multiply
    27,570.17x = 38,046.38 × 15,305.15
  4. Step 4: Simplify right side
    27,570.17x = 582,305,571.45
  5. Step 5: Solve for x
    x = 582,305,571.45/27,570.17
  6. Step 6: Final answer
    x = 21,120.85

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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.