Home / 28,672.90-39,568.60-16,097.64

Finding the Fourth Proportional to 28,672.90, 39,568.60 and 16,097.64

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Solution

The fourth proportional to 28,672.90, 39,568.60 and 16,097.64 is: 22,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672.90 : 39,568.60 = 16,097.64 : x
  2. Step 2: Convert to fraction form
    28,672.90/39,568.60 = 16,097.64/x
  3. Step 3: Cross multiply
    28,672.90x = 39,568.60 × 16,097.64
  4. Step 4: Simplify right side
    28,672.90x = 636,961,078.10
  5. Step 5: Solve for x
    x = 636,961,078.10/28,672.90
  6. Step 6: Final answer
    x = 22,214.74

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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.