Home / 20,042.47-27,660.72-11,544.94

Finding the Fourth Proportional to 20,042.47, 27,660.72 and 11,544.94

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Solution

The fourth proportional to 20,042.47, 27,660.72 and 11,544.94 is: 15,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.47 : 27,660.72 = 11,544.94 : x
  2. Step 2: Convert to fraction form
    20,042.47/27,660.72 = 11,544.94/x
  3. Step 3: Cross multiply
    20,042.47x = 27,660.72 × 11,544.94
  4. Step 4: Simplify right side
    20,042.47x = 319,341,352.76
  5. Step 5: Solve for x
    x = 319,341,352.76/20,042.47
  6. Step 6: Final answer
    x = 15,933.23

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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.