Home / 26,771.58-40,156.38-12,741.66

Finding the Fourth Proportional to 26,771.58, 40,156.38 and 12,741.66

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Solution

The fourth proportional to 26,771.58, 40,156.38 and 12,741.66 is: 19,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,771.58 : 40,156.38 = 12,741.66 : x
  2. Step 2: Convert to fraction form
    26,771.58/40,156.38 = 12,741.66/x
  3. Step 3: Cross multiply
    26,771.58x = 40,156.38 × 12,741.66
  4. Step 4: Simplify right side
    26,771.58x = 511,658,940.79
  5. Step 5: Solve for x
    x = 511,658,940.79/26,771.58
  6. Step 6: Final answer
    x = 19,112.02

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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.