Home / 27,982.53-41,973.75-19,190.79

Finding the Fourth Proportional to 27,982.53, 41,973.75 and 19,190.79

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Solution

The fourth proportional to 27,982.53, 41,973.75 and 19,190.79 is: 28,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.53 : 41,973.75 = 19,190.79 : x
  2. Step 2: Convert to fraction form
    27,982.53/41,973.75 = 19,190.79/x
  3. Step 3: Cross multiply
    27,982.53x = 41,973.75 × 19,190.79
  4. Step 4: Simplify right side
    27,982.53x = 805,509,421.76
  5. Step 5: Solve for x
    x = 805,509,421.76/27,982.53
  6. Step 6: Final answer
    x = 28,786.15

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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.