Home / 28,099.21-42,134.76-15,627.85

Finding the Fourth Proportional to 28,099.21, 42,134.76 and 15,627.85

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Solution

The fourth proportional to 28,099.21, 42,134.76 and 15,627.85 is: 23,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.21 : 42,134.76 = 15,627.85 : x
  2. Step 2: Convert to fraction form
    28,099.21/42,134.76 = 15,627.85/x
  3. Step 3: Cross multiply
    28,099.21x = 42,134.76 × 15,627.85
  4. Step 4: Simplify right side
    28,099.21x = 658,475,709.07
  5. Step 5: Solve for x
    x = 658,475,709.07/28,099.21
  6. Step 6: Final answer
    x = 23,433.96

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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.