Home / 20,508.36-28,305.14-19,573.42

Finding the Fourth Proportional to 20,508.36, 28,305.14 and 19,573.42

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Solution

The fourth proportional to 20,508.36, 28,305.14 and 19,573.42 is: 27,014.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,508.36 : 28,305.14 = 19,573.42 : x
  2. Step 2: Convert to fraction form
    20,508.36/28,305.14 = 19,573.42/x
  3. Step 3: Cross multiply
    20,508.36x = 28,305.14 × 19,573.42
  4. Step 4: Simplify right side
    20,508.36x = 554,028,393.38
  5. Step 5: Solve for x
    x = 554,028,393.38/20,508.36
  6. Step 6: Final answer
    x = 27,014.76

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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.