Home / 19,286.44-28,929.66-18,301.48

Finding the Fourth Proportional to 19,286.44, 28,929.66 and 18,301.48

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Solution

The fourth proportional to 19,286.44, 28,929.66 and 18,301.48 is: 27,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.44 : 28,929.66 = 18,301.48 : x
  2. Step 2: Convert to fraction form
    19,286.44/28,929.66 = 18,301.48/x
  3. Step 3: Cross multiply
    19,286.44x = 28,929.66 × 18,301.48
  4. Step 4: Simplify right side
    19,286.44x = 529,455,593.90
  5. Step 5: Solve for x
    x = 529,455,593.90/19,286.44
  6. Step 6: Final answer
    x = 27,452.22

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1.5x scale

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.