Home / 27,881.44-38,475.35-15,134.35

Finding the Fourth Proportional to 27,881.44, 38,475.35 and 15,134.35

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Solution

The fourth proportional to 27,881.44, 38,475.35 and 15,134.35 is: 20,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.44 : 38,475.35 = 15,134.35 : x
  2. Step 2: Convert to fraction form
    27,881.44/38,475.35 = 15,134.35/x
  3. Step 3: Cross multiply
    27,881.44x = 38,475.35 × 15,134.35
  4. Step 4: Simplify right side
    27,881.44x = 582,299,413.27
  5. Step 5: Solve for x
    x = 582,299,413.27/27,881.44
  6. Step 6: Final answer
    x = 20,884.84

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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.