Home / 27,288.52-40,891.74-18,493

Finding the Fourth Proportional to 27,288.52, 40,891.74 and 18,493

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Solution

The fourth proportional to 27,288.52, 40,891.74 and 18,493 is: 27,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.52 : 40,891.74 = 18,493 : x
  2. Step 2: Convert to fraction form
    27,288.52/40,891.74 = 18,493/x
  3. Step 3: Cross multiply
    27,288.52x = 40,891.74 × 18,493
  4. Step 4: Simplify right side
    27,288.52x = 756,210,947.82
  5. Step 5: Solve for x
    x = 756,210,947.82/27,288.52
  6. Step 6: Final answer
    x = 27,711.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.