Home / 28,874.81-39,847.24-16,299.56

Finding the Fourth Proportional to 28,874.81, 39,847.24 and 16,299.56

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Solution

The fourth proportional to 28,874.81, 39,847.24 and 16,299.56 is: 22,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.81 : 39,847.24 = 16,299.56 : x
  2. Step 2: Convert to fraction form
    28,874.81/39,847.24 = 16,299.56/x
  3. Step 3: Cross multiply
    28,874.81x = 39,847.24 × 16,299.56
  4. Step 4: Simplify right side
    28,874.81x = 649,492,599.21
  5. Step 5: Solve for x
    x = 649,492,599.21/28,874.81
  6. Step 6: Final answer
    x = 22,493.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.