Home / 27,333.99-37,682.42-20,627.19

Finding the Fourth Proportional to 27,333.99, 37,682.42 and 20,627.19

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Solution

The fourth proportional to 27,333.99, 37,682.42 and 20,627.19 is: 28,436.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,333.99 : 37,682.42 = 20,627.19 : x
  2. Step 2: Convert to fraction form
    27,333.99/37,682.42 = 20,627.19/x
  3. Step 3: Cross multiply
    27,333.99x = 37,682.42 × 20,627.19
  4. Step 4: Simplify right side
    27,333.99x = 777,282,333.86
  5. Step 5: Solve for x
    x = 777,282,333.86/27,333.99
  6. Step 6: Final answer
    x = 28,436.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.