Home / 26,713.28-40,072.08-9,183.12

Finding the Fourth Proportional to 26,713.28, 40,072.08 and 9,183.12

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Solution

The fourth proportional to 26,713.28, 40,072.08 and 9,183.12 is: 13,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,713.28 : 40,072.08 = 9,183.12 : x
  2. Step 2: Convert to fraction form
    26,713.28/40,072.08 = 9,183.12/x
  3. Step 3: Cross multiply
    26,713.28x = 40,072.08 × 9,183.12
  4. Step 4: Simplify right side
    26,713.28x = 367,986,719.29
  5. Step 5: Solve for x
    x = 367,986,719.29/26,713.28
  6. Step 6: Final answer
    x = 13,775.42

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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.