Home / 27,983.97-38,617.80-15,236.94

Finding the Fourth Proportional to 27,983.97, 38,617.80 and 15,236.94

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Solution

The fourth proportional to 27,983.97, 38,617.80 and 15,236.94 is: 21,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.97 : 38,617.80 = 15,236.94 : x
  2. Step 2: Convert to fraction form
    27,983.97/38,617.80 = 15,236.94/x
  3. Step 3: Cross multiply
    27,983.97x = 38,617.80 × 15,236.94
  4. Step 4: Simplify right side
    27,983.97x = 588,417,101.53
  5. Step 5: Solve for x
    x = 588,417,101.53/27,983.97
  6. Step 6: Final answer
    x = 21,026.93

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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.