Home / 27,517.64-37,974.39-15,581.66

Finding the Fourth Proportional to 27,517.64, 37,974.39 and 15,581.66

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Solution

The fourth proportional to 27,517.64, 37,974.39 and 15,581.66 is: 21,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,517.64 : 37,974.39 = 15,581.66 : x
  2. Step 2: Convert to fraction form
    27,517.64/37,974.39 = 15,581.66/x
  3. Step 3: Cross multiply
    27,517.64x = 37,974.39 × 15,581.66
  4. Step 4: Simplify right side
    27,517.64x = 591,704,033.69
  5. Step 5: Solve for x
    x = 591,704,033.69/27,517.64
  6. Step 6: Final answer
    x = 21,502.72

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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.