Home / 28,804.26-43,157.24-20,442.90

Finding the Fourth Proportional to 28,804.26, 43,157.24 and 20,442.90

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Solution

The fourth proportional to 28,804.26, 43,157.24 and 20,442.90 is: 30,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,804.26 : 43,157.24 = 20,442.90 : x
  2. Step 2: Convert to fraction form
    28,804.26/43,157.24 = 20,442.90/x
  3. Step 3: Cross multiply
    28,804.26x = 43,157.24 × 20,442.90
  4. Step 4: Simplify right side
    28,804.26x = 882,259,141.60
  5. Step 5: Solve for x
    x = 882,259,141.60/28,804.26
  6. Step 6: Final answer
    x = 30,629.47

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1.5x scale

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.