Home / 35,788.28-49,382.50-19,872.84

Finding the Fourth Proportional to 35,788.28, 49,382.50 and 19,872.84

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Solution

The fourth proportional to 35,788.28, 49,382.50 and 19,872.84 is: 27,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,788.28 : 49,382.50 = 19,872.84 : x
  2. Step 2: Convert to fraction form
    35,788.28/49,382.50 = 19,872.84/x
  3. Step 3: Cross multiply
    35,788.28x = 49,382.50 × 19,872.84
  4. Step 4: Simplify right side
    35,788.28x = 981,370,521.30
  5. Step 5: Solve for x
    x = 981,370,521.30/35,788.28
  6. Step 6: Final answer
    x = 27,421.56

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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.