Home / 20,732.39-28,610.70-11,300.96

Finding the Fourth Proportional to 20,732.39, 28,610.70 and 11,300.96

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Solution

The fourth proportional to 20,732.39, 28,610.70 and 11,300.96 is: 15,595.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.39 : 28,610.70 = 11,300.96 : x
  2. Step 2: Convert to fraction form
    20,732.39/28,610.70 = 11,300.96/x
  3. Step 3: Cross multiply
    20,732.39x = 28,610.70 × 11,300.96
  4. Step 4: Simplify right side
    20,732.39x = 323,328,376.27
  5. Step 5: Solve for x
    x = 323,328,376.27/20,732.39
  6. Step 6: Final answer
    x = 15,595.33

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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.