Home / 19,943.82-27,521.24-10,990.82

Finding the Fourth Proportional to 19,943.82, 27,521.24 and 10,990.82

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Solution

The fourth proportional to 19,943.82, 27,521.24 and 10,990.82 is: 15,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.82 : 27,521.24 = 10,990.82 : x
  2. Step 2: Convert to fraction form
    19,943.82/27,521.24 = 10,990.82/x
  3. Step 3: Cross multiply
    19,943.82x = 27,521.24 × 10,990.82
  4. Step 4: Simplify right side
    19,943.82x = 302,481,008.87
  5. Step 5: Solve for x
    x = 302,481,008.87/19,943.82
  6. Step 6: Final answer
    x = 15,166.65

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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.