Home / 20,935.03-28,891.64-11,982.33

Finding the Fourth Proportional to 20,935.03, 28,891.64 and 11,982.33

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Solution

The fourth proportional to 20,935.03, 28,891.64 and 11,982.33 is: 16,536.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,935.03 : 28,891.64 = 11,982.33 : x
  2. Step 2: Convert to fraction form
    20,935.03/28,891.64 = 11,982.33/x
  3. Step 3: Cross multiply
    20,935.03x = 28,891.64 × 11,982.33
  4. Step 4: Simplify right side
    20,935.03x = 346,189,127.28
  5. Step 5: Solve for x
    x = 346,189,127.28/20,935.03
  6. Step 6: Final answer
    x = 16,536.36

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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.