Home / 19,858.88-27,405.26-11,475.38

Finding the Fourth Proportional to 19,858.88, 27,405.26 and 11,475.38

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Solution

The fourth proportional to 19,858.88, 27,405.26 and 11,475.38 is: 15,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.88 : 27,405.26 = 11,475.38 : x
  2. Step 2: Convert to fraction form
    19,858.88/27,405.26 = 11,475.38/x
  3. Step 3: Cross multiply
    19,858.88x = 27,405.26 × 11,475.38
  4. Step 4: Simplify right side
    19,858.88x = 314,485,578.10
  5. Step 5: Solve for x
    x = 314,485,578.10/19,858.88
  6. Step 6: Final answer
    x = 15,836.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.