Home / 20,205.96-27,841.91-18,804.39

Finding the Fourth Proportional to 20,205.96, 27,841.91 and 18,804.39

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Solution

The fourth proportional to 20,205.96, 27,841.91 and 18,804.39 is: 25,910.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205.96 : 27,841.91 = 18,804.39 : x
  2. Step 2: Convert to fraction form
    20,205.96/27,841.91 = 18,804.39/x
  3. Step 3: Cross multiply
    20,205.96x = 27,841.91 × 18,804.39
  4. Step 4: Simplify right side
    20,205.96x = 523,550,039.96
  5. Step 5: Solve for x
    x = 523,550,039.96/20,205.96
  6. Step 6: Final answer
    x = 25,910.67

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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.