Home / 18,230.54-27,327.58-15,721.56

Finding the Fourth Proportional to 18,230.54, 27,327.58 and 15,721.56

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Solution

The fourth proportional to 18,230.54, 27,327.58 and 15,721.56 is: 23,566.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.54 : 27,327.58 = 15,721.56 : x
  2. Step 2: Convert to fraction form
    18,230.54/27,327.58 = 15,721.56/x
  3. Step 3: Cross multiply
    18,230.54x = 27,327.58 × 15,721.56
  4. Step 4: Simplify right side
    18,230.54x = 429,632,149.32
  5. Step 5: Solve for x
    x = 429,632,149.32/18,230.54
  6. Step 6: Final answer
    x = 23,566.62

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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.