Home / 19,772.60-27,286.80-10,820.48

Finding the Fourth Proportional to 19,772.60, 27,286.80 and 10,820.48

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Solution

The fourth proportional to 19,772.60, 27,286.80 and 10,820.48 is: 14,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.60 : 27,286.80 = 10,820.48 : x
  2. Step 2: Convert to fraction form
    19,772.60/27,286.80 = 10,820.48/x
  3. Step 3: Cross multiply
    19,772.60x = 27,286.80 × 10,820.48
  4. Step 4: Simplify right side
    19,772.60x = 295,256,273.66
  5. Step 5: Solve for x
    x = 295,256,273.66/19,772.60
  6. Step 6: Final answer
    x = 14,932.60

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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.