Home / 26,955.78-40,441.47-11,157.89

Finding the Fourth Proportional to 26,955.78, 40,441.47 and 11,157.89

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Solution

The fourth proportional to 26,955.78, 40,441.47 and 11,157.89 is: 16,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,955.78 : 40,441.47 = 11,157.89 : x
  2. Step 2: Convert to fraction form
    26,955.78/40,441.47 = 11,157.89/x
  3. Step 3: Cross multiply
    26,955.78x = 40,441.47 × 11,157.89
  4. Step 4: Simplify right side
    26,955.78x = 451,241,473.70
  5. Step 5: Solve for x
    x = 451,241,473.70/26,955.78
  6. Step 6: Final answer
    x = 16,740.06

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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.