Home / 26,170.92-39,258.72-8,403.42

Finding the Fourth Proportional to 26,170.92, 39,258.72 and 8,403.42

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Solution

The fourth proportional to 26,170.92, 39,258.72 and 8,403.42 is: 12,605.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,170.92 : 39,258.72 = 8,403.42 : x
  2. Step 2: Convert to fraction form
    26,170.92/39,258.72 = 8,403.42/x
  3. Step 3: Cross multiply
    26,170.92x = 39,258.72 × 8,403.42
  4. Step 4: Simplify right side
    26,170.92x = 329,907,512.82
  5. Step 5: Solve for x
    x = 329,907,512.82/26,170.92
  6. Step 6: Final answer
    x = 12,605.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.