Home / 18,954.04-28,395.52-15,853.97

Finding the Fourth Proportional to 18,954.04, 28,395.52 and 15,853.97

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Solution

The fourth proportional to 18,954.04, 28,395.52 and 15,853.97 is: 23,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.04 : 28,395.52 = 15,853.97 : x
  2. Step 2: Convert to fraction form
    18,954.04/28,395.52 = 15,853.97/x
  3. Step 3: Cross multiply
    18,954.04x = 28,395.52 × 15,853.97
  4. Step 4: Simplify right side
    18,954.04x = 450,181,540.60
  5. Step 5: Solve for x
    x = 450,181,540.60/18,954.04
  6. Step 6: Final answer
    x = 23,751.22

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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.