Home / 26,774.32-40,161.80-12,735.84

Finding the Fourth Proportional to 26,774.32, 40,161.80 and 12,735.84

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Solution

The fourth proportional to 26,774.32, 40,161.80 and 12,735.84 is: 19,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,774.32 : 40,161.80 = 12,735.84 : x
  2. Step 2: Convert to fraction form
    26,774.32/40,161.80 = 12,735.84/x
  3. Step 3: Cross multiply
    26,774.32x = 40,161.80 × 12,735.84
  4. Step 4: Simplify right side
    26,774.32x = 511,494,258.91
  5. Step 5: Solve for x
    x = 511,494,258.91/26,774.32
  6. Step 6: Final answer
    x = 19,103.91

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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.