Home / 28,772.67-39,705.67-16,025.81

Finding the Fourth Proportional to 28,772.67, 39,705.67 and 16,025.81

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Solution

The fourth proportional to 28,772.67, 39,705.67 and 16,025.81 is: 22,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772.67 : 39,705.67 = 16,025.81 : x
  2. Step 2: Convert to fraction form
    28,772.67/39,705.67 = 16,025.81/x
  3. Step 3: Cross multiply
    28,772.67x = 39,705.67 × 16,025.81
  4. Step 4: Simplify right side
    28,772.67x = 636,315,244.69
  5. Step 5: Solve for x
    x = 636,315,244.69/28,772.67
  6. Step 6: Final answer
    x = 22,115.27

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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.