Home / 19,935.30-27,511.97-10,982.79

Finding the Fourth Proportional to 19,935.30, 27,511.97 and 10,982.79

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Solution

The fourth proportional to 19,935.30, 27,511.97 and 10,982.79 is: 15,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.30 : 27,511.97 = 10,982.79 : x
  2. Step 2: Convert to fraction form
    19,935.30/27,511.97 = 10,982.79/x
  3. Step 3: Cross multiply
    19,935.30x = 27,511.97 × 10,982.79
  4. Step 4: Simplify right side
    19,935.30x = 302,158,134.08
  5. Step 5: Solve for x
    x = 302,158,134.08/19,935.30
  6. Step 6: Final answer
    x = 15,156.94

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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.