Home / 27,082.64-40,620.69-10,431.06

Finding the Fourth Proportional to 27,082.64, 40,620.69 and 10,431.06

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Solution

The fourth proportional to 27,082.64, 40,620.69 and 10,431.06 is: 15,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,082.64 : 40,620.69 = 10,431.06 : x
  2. Step 2: Convert to fraction form
    27,082.64/40,620.69 = 10,431.06/x
  3. Step 3: Cross multiply
    27,082.64x = 40,620.69 × 10,431.06
  4. Step 4: Simplify right side
    27,082.64x = 423,716,854.63
  5. Step 5: Solve for x
    x = 423,716,854.63/27,082.64
  6. Step 6: Final answer
    x = 15,645.33

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