Home / 28,766.48-43,096.25-15,629.90

Finding the Fourth Proportional to 28,766.48, 43,096.25 and 15,629.90

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Solution

The fourth proportional to 28,766.48, 43,096.25 and 15,629.90 is: 23,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766.48 : 43,096.25 = 15,629.90 : x
  2. Step 2: Convert to fraction form
    28,766.48/43,096.25 = 15,629.90/x
  3. Step 3: Cross multiply
    28,766.48x = 43,096.25 × 15,629.90
  4. Step 4: Simplify right side
    28,766.48x = 673,589,901.47
  5. Step 5: Solve for x
    x = 673,589,901.47/28,766.48
  6. Step 6: Final answer
    x = 23,415.80

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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.