Home / 27,373.54-37,796.87-21,422.17

Finding the Fourth Proportional to 27,373.54, 37,796.87 and 21,422.17

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Solution

The fourth proportional to 27,373.54, 37,796.87 and 21,422.17 is: 29,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,373.54 : 37,796.87 = 21,422.17 : x
  2. Step 2: Convert to fraction form
    27,373.54/37,796.87 = 21,422.17/x
  3. Step 3: Cross multiply
    27,373.54x = 37,796.87 × 21,422.17
  4. Step 4: Simplify right side
    27,373.54x = 809,690,974.61
  5. Step 5: Solve for x
    x = 809,690,974.61/27,373.54
  6. Step 6: Final answer
    x = 29,579.33

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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.