Home / 25,891.04-38,804.16-11,082.72

Finding the Fourth Proportional to 25,891.04, 38,804.16 and 11,082.72

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Solution

The fourth proportional to 25,891.04, 38,804.16 and 11,082.72 is: 16,610.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,891.04 : 38,804.16 = 11,082.72 : x
  2. Step 2: Convert to fraction form
    25,891.04/38,804.16 = 11,082.72/x
  3. Step 3: Cross multiply
    25,891.04x = 38,804.16 × 11,082.72
  4. Step 4: Simplify right side
    25,891.04x = 430,055,640.12
  5. Step 5: Solve for x
    x = 430,055,640.12/25,891.04
  6. Step 6: Final answer
    x = 16,610.21

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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.