Home / 28,804.26-43,098.66-20,503.38

Finding the Fourth Proportional to 28,804.26, 43,098.66 and 20,503.38

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Solution

The fourth proportional to 28,804.26, 43,098.66 and 20,503.38 is: 30,678.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,804.26 : 43,098.66 = 20,503.38 : x
  2. Step 2: Convert to fraction form
    28,804.26/43,098.66 = 20,503.38/x
  3. Step 3: Cross multiply
    28,804.26x = 43,098.66 × 20,503.38
  4. Step 4: Simplify right side
    28,804.26x = 883,668,203.47
  5. Step 5: Solve for x
    x = 883,668,203.47/28,804.26
  6. Step 6: Final answer
    x = 30,678.39

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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.