Home / 20,908.44-28,852.96-11,476.76

Finding the Fourth Proportional to 20,908.44, 28,852.96 and 11,476.76

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Solution

The fourth proportional to 20,908.44, 28,852.96 and 11,476.76 is: 15,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,908.44 : 28,852.96 = 11,476.76 : x
  2. Step 2: Convert to fraction form
    20,908.44/28,852.96 = 11,476.76/x
  3. Step 3: Cross multiply
    20,908.44x = 28,852.96 × 11,476.76
  4. Step 4: Simplify right side
    20,908.44x = 331,138,497.21
  5. Step 5: Solve for x
    x = 331,138,497.21/20,908.44
  6. Step 6: Final answer
    x = 15,837.55

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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.