Home / 20,733.03-28,610.82-11,301.39

Finding the Fourth Proportional to 20,733.03, 28,610.82 and 11,301.39

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Solution

The fourth proportional to 20,733.03, 28,610.82 and 11,301.39 is: 15,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.03 : 28,610.82 = 11,301.39 : x
  2. Step 2: Convert to fraction form
    20,733.03/28,610.82 = 11,301.39/x
  3. Step 3: Cross multiply
    20,733.03x = 28,610.82 × 11,301.39
  4. Step 4: Simplify right side
    20,733.03x = 323,342,035.04
  5. Step 5: Solve for x
    x = 323,342,035.04/20,733.03
  6. Step 6: Final answer
    x = 15,595.50

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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.