Home / 27,221.14-40,839.27-15,542.56

Finding the Fourth Proportional to 27,221.14, 40,839.27 and 15,542.56

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Solution

The fourth proportional to 27,221.14, 40,839.27 and 15,542.56 is: 23,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221.14 : 40,839.27 = 15,542.56 : x
  2. Step 2: Convert to fraction form
    27,221.14/40,839.27 = 15,542.56/x
  3. Step 3: Cross multiply
    27,221.14x = 40,839.27 × 15,542.56
  4. Step 4: Simplify right side
    27,221.14x = 634,746,804.33
  5. Step 5: Solve for x
    x = 634,746,804.33/27,221.14
  6. Step 6: Final answer
    x = 23,318.16

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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.