Home / 19,775.52-27,288.82-10,822.84

Finding the Fourth Proportional to 19,775.52, 27,288.82 and 10,822.84

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Solution

The fourth proportional to 19,775.52, 27,288.82 and 10,822.84 is: 14,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.52 : 27,288.82 = 10,822.84 : x
  2. Step 2: Convert to fraction form
    19,775.52/27,288.82 = 10,822.84/x
  3. Step 3: Cross multiply
    19,775.52x = 27,288.82 × 10,822.84
  4. Step 4: Simplify right side
    19,775.52x = 295,342,585.14
  5. Step 5: Solve for x
    x = 295,342,585.14/19,775.52
  6. Step 6: Final answer
    x = 14,934.76

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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.