Home / 20,733.06-28,610.79-11,301.42

Finding the Fourth Proportional to 20,733.06, 28,610.79 and 11,301.42

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Solution

The fourth proportional to 20,733.06, 28,610.79 and 11,301.42 is: 15,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.06 : 28,610.79 = 11,301.42 : x
  2. Step 2: Convert to fraction form
    20,733.06/28,610.79 = 11,301.42/x
  3. Step 3: Cross multiply
    20,733.06x = 28,610.79 × 11,301.42
  4. Step 4: Simplify right side
    20,733.06x = 323,342,554.32
  5. Step 5: Solve for x
    x = 323,342,554.32/20,733.06
  6. Step 6: Final answer
    x = 15,595.51

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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.