Home / 27,629.44-38,128.08-15,054.28

Finding the Fourth Proportional to 27,629.44, 38,128.08 and 15,054.28

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Solution

The fourth proportional to 27,629.44, 38,128.08 and 15,054.28 is: 20,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.44 : 38,128.08 = 15,054.28 : x
  2. Step 2: Convert to fraction form
    27,629.44/38,128.08 = 15,054.28/x
  3. Step 3: Cross multiply
    27,629.44x = 38,128.08 × 15,054.28
  4. Step 4: Simplify right side
    27,629.44x = 573,990,792.18
  5. Step 5: Solve for x
    x = 573,990,792.18/27,629.44
  6. Step 6: Final answer
    x = 20,774.61

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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.