Home / 28,932.93-43,329.30-20,023.29

Finding the Fourth Proportional to 28,932.93, 43,329.30 and 20,023.29

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Solution

The fourth proportional to 28,932.93, 43,329.30 and 20,023.29 is: 29,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.93 : 43,329.30 = 20,023.29 : x
  2. Step 2: Convert to fraction form
    28,932.93/43,329.30 = 20,023.29/x
  3. Step 3: Cross multiply
    28,932.93x = 43,329.30 × 20,023.29
  4. Step 4: Simplify right side
    28,932.93x = 867,595,139.40
  5. Step 5: Solve for x
    x = 867,595,139.40/28,932.93
  6. Step 6: Final answer
    x = 29,986.43

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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.