Home / 19,631-27,090.78-11,252.36

Finding the Fourth Proportional to 19,631, 27,090.78 and 11,252.36

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Solution

The fourth proportional to 19,631, 27,090.78 and 11,252.36 is: 15,528.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631 : 27,090.78 = 11,252.36 : x
  2. Step 2: Convert to fraction form
    19,631/27,090.78 = 11,252.36/x
  3. Step 3: Cross multiply
    19,631x = 27,090.78 × 11,252.36
  4. Step 4: Simplify right side
    19,631x = 304,835,209.24
  5. Step 5: Solve for x
    x = 304,835,209.24/19,631
  6. Step 6: Final answer
    x = 15,528.26

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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.