Home / 20,192.24-27,864.24-11,239.40

Finding the Fourth Proportional to 20,192.24, 27,864.24 and 11,239.40

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Solution

The fourth proportional to 20,192.24, 27,864.24 and 11,239.40 is: 15,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.24 : 27,864.24 = 11,239.40 : x
  2. Step 2: Convert to fraction form
    20,192.24/27,864.24 = 11,239.40/x
  3. Step 3: Cross multiply
    20,192.24x = 27,864.24 × 11,239.40
  4. Step 4: Simplify right side
    20,192.24x = 313,177,339.06
  5. Step 5: Solve for x
    x = 313,177,339.06/20,192.24
  6. Step 6: Final answer
    x = 15,509.79

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1.5x scale

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.