Home / 27,358.97-37,755.32-15,422.40

Finding the Fourth Proportional to 27,358.97, 37,755.32 and 15,422.40

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Solution

The fourth proportional to 27,358.97, 37,755.32 and 15,422.40 is: 21,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,358.97 : 37,755.32 = 15,422.40 : x
  2. Step 2: Convert to fraction form
    27,358.97/37,755.32 = 15,422.40/x
  3. Step 3: Cross multiply
    27,358.97x = 37,755.32 × 15,422.40
  4. Step 4: Simplify right side
    27,358.97x = 582,277,570.06
  5. Step 5: Solve for x
    x = 582,277,570.06/27,358.97
  6. Step 6: Final answer
    x = 21,282.88

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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.