Home / 20,908.22-28,852.38-11,476.94

Finding the Fourth Proportional to 20,908.22, 28,852.38 and 11,476.94

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Solution

The fourth proportional to 20,908.22, 28,852.38 and 11,476.94 is: 15,837.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,908.22 : 28,852.38 = 11,476.94 : x
  2. Step 2: Convert to fraction form
    20,908.22/28,852.38 = 11,476.94/x
  3. Step 3: Cross multiply
    20,908.22x = 28,852.38 × 11,476.94
  4. Step 4: Simplify right side
    20,908.22x = 331,137,034.12
  5. Step 5: Solve for x
    x = 331,137,034.12/20,908.22
  6. Step 6: Final answer
    x = 15,837.65

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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.