Home / 19,963.14-29,768.61-18,982.10

Finding the Fourth Proportional to 19,963.14, 29,768.61 and 18,982.10

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Solution

The fourth proportional to 19,963.14, 29,768.61 and 18,982.10 is: 28,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.14 : 29,768.61 = 18,982.10 : x
  2. Step 2: Convert to fraction form
    19,963.14/29,768.61 = 18,982.10/x
  3. Step 3: Cross multiply
    19,963.14x = 29,768.61 × 18,982.10
  4. Step 4: Simplify right side
    19,963.14x = 565,070,583.04
  5. Step 5: Solve for x
    x = 565,070,583.04/19,963.14
  6. Step 6: Final answer
    x = 28,305.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.