Home / 28,475.72-42,734.46-22,994.60

Finding the Fourth Proportional to 28,475.72, 42,734.46 and 22,994.60

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Solution

The fourth proportional to 28,475.72, 42,734.46 and 22,994.60 is: 34,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,475.72 : 42,734.46 = 22,994.60 : x
  2. Step 2: Convert to fraction form
    28,475.72/42,734.46 = 22,994.60/x
  3. Step 3: Cross multiply
    28,475.72x = 42,734.46 × 22,994.60
  4. Step 4: Simplify right side
    28,475.72x = 982,661,813.92
  5. Step 5: Solve for x
    x = 982,661,813.92/28,475.72
  6. Step 6: Final answer
    x = 34,508.76

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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.