Home / 28,076.38-38,749.62-17,469.40

Finding the Fourth Proportional to 28,076.38, 38,749.62 and 17,469.40

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Solution

The fourth proportional to 28,076.38, 38,749.62 and 17,469.40 is: 24,110.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.38 : 38,749.62 = 17,469.40 : x
  2. Step 2: Convert to fraction form
    28,076.38/38,749.62 = 17,469.40/x
  3. Step 3: Cross multiply
    28,076.38x = 38,749.62 × 17,469.40
  4. Step 4: Simplify right side
    28,076.38x = 676,932,611.63
  5. Step 5: Solve for x
    x = 676,932,611.63/28,076.38
  6. Step 6: Final answer
    x = 24,110.39

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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.