Home / 27,145.56-37,436.94-19,589.88

Finding the Fourth Proportional to 27,145.56, 37,436.94 and 19,589.88

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Solution

The fourth proportional to 27,145.56, 37,436.94 and 19,589.88 is: 27,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.56 : 37,436.94 = 19,589.88 : x
  2. Step 2: Convert to fraction form
    27,145.56/37,436.94 = 19,589.88/x
  3. Step 3: Cross multiply
    27,145.56x = 37,436.94 × 19,589.88
  4. Step 4: Simplify right side
    27,145.56x = 733,385,162.17
  5. Step 5: Solve for x
    x = 733,385,162.17/27,145.56
  6. Step 6: Final answer
    x = 27,016.76

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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.