Home / 28,299.10-39,035.39-16,806.21

Finding the Fourth Proportional to 28,299.10, 39,035.39 and 16,806.21

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Solution

The fourth proportional to 28,299.10, 39,035.39 and 16,806.21 is: 23,182.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.10 : 39,035.39 = 16,806.21 : x
  2. Step 2: Convert to fraction form
    28,299.10/39,035.39 = 16,806.21/x
  3. Step 3: Cross multiply
    28,299.10x = 39,035.39 × 16,806.21
  4. Step 4: Simplify right side
    28,299.10x = 656,036,961.77
  5. Step 5: Solve for x
    x = 656,036,961.77/28,299.10
  6. Step 6: Final answer
    x = 23,182.26

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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.