Home / 27,972.62-38,600.79-15,394.94

Finding the Fourth Proportional to 27,972.62, 38,600.79 and 15,394.94

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Solution

The fourth proportional to 27,972.62, 38,600.79 and 15,394.94 is: 21,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.62 : 38,600.79 = 15,394.94 : x
  2. Step 2: Convert to fraction form
    27,972.62/38,600.79 = 15,394.94/x
  3. Step 3: Cross multiply
    27,972.62x = 38,600.79 × 15,394.94
  4. Step 4: Simplify right side
    27,972.62x = 594,256,846.00
  5. Step 5: Solve for x
    x = 594,256,846.00/27,972.62
  6. Step 6: Final answer
    x = 21,244.23

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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.