Home / 27,077.09-37,361.55-15,140.52

Finding the Fourth Proportional to 27,077.09, 37,361.55 and 15,140.52

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Solution

The fourth proportional to 27,077.09, 37,361.55 and 15,140.52 is: 20,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.09 : 37,361.55 = 15,140.52 : x
  2. Step 2: Convert to fraction form
    27,077.09/37,361.55 = 15,140.52/x
  3. Step 3: Cross multiply
    27,077.09x = 37,361.55 × 15,140.52
  4. Step 4: Simplify right side
    27,077.09x = 565,673,351.78
  5. Step 5: Solve for x
    x = 565,673,351.78/27,077.09
  6. Step 6: Final answer
    x = 20,891.22

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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.