Home / 28,099.46-42,149.11-16,404.47

Finding the Fourth Proportional to 28,099.46, 42,149.11 and 16,404.47

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Solution

The fourth proportional to 28,099.46, 42,149.11 and 16,404.47 is: 24,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.46 : 42,149.11 = 16,404.47 : x
  2. Step 2: Convert to fraction form
    28,099.46/42,149.11 = 16,404.47/x
  3. Step 3: Cross multiply
    28,099.46x = 42,149.11 × 16,404.47
  4. Step 4: Simplify right side
    28,099.46x = 691,433,984.67
  5. Step 5: Solve for x
    x = 691,433,984.67/28,099.46
  6. Step 6: Final answer
    x = 24,606.67

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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.