Home / 20,538.24-30,804.99-5,748.33

Finding the Fourth Proportional to 20,538.24, 30,804.99 and 5,748.33

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Solution

The fourth proportional to 20,538.24, 30,804.99 and 5,748.33 is: 8,621.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,538.24 : 30,804.99 = 5,748.33 : x
  2. Step 2: Convert to fraction form
    20,538.24/30,804.99 = 5,748.33/x
  3. Step 3: Cross multiply
    20,538.24x = 30,804.99 × 5,748.33
  4. Step 4: Simplify right side
    20,538.24x = 177,077,248.17
  5. Step 5: Solve for x
    x = 177,077,248.17/20,538.24
  6. Step 6: Final answer
    x = 8,621.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.