Home / 27,629.56-38,128.26-15,054.04

Finding the Fourth Proportional to 27,629.56, 38,128.26 and 15,054.04

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Solution

The fourth proportional to 27,629.56, 38,128.26 and 15,054.04 is: 20,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.56 : 38,128.26 = 15,054.04 : x
  2. Step 2: Convert to fraction form
    27,629.56/38,128.26 = 15,054.04/x
  3. Step 3: Cross multiply
    27,629.56x = 38,128.26 × 15,054.04
  4. Step 4: Simplify right side
    27,629.56x = 573,984,351.17
  5. Step 5: Solve for x
    x = 573,984,351.17/27,629.56
  6. Step 6: Final answer
    x = 20,774.28

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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.