Home / 19,655.66-27,125.48-11,043.36

Finding the Fourth Proportional to 19,655.66, 27,125.48 and 11,043.36

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Solution

The fourth proportional to 19,655.66, 27,125.48 and 11,043.36 is: 15,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.66 : 27,125.48 = 11,043.36 : x
  2. Step 2: Convert to fraction form
    19,655.66/27,125.48 = 11,043.36/x
  3. Step 3: Cross multiply
    19,655.66x = 27,125.48 × 11,043.36
  4. Step 4: Simplify right side
    19,655.66x = 299,556,544.71
  5. Step 5: Solve for x
    x = 299,556,544.71/19,655.66
  6. Step 6: Final answer
    x = 15,240.22

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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.