Home / 28,845.96-39,807.36-16,270.62

Finding the Fourth Proportional to 28,845.96, 39,807.36 and 16,270.62

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Solution

The fourth proportional to 28,845.96, 39,807.36 and 16,270.62 is: 22,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.96 : 39,807.36 = 16,270.62 : x
  2. Step 2: Convert to fraction form
    28,845.96/39,807.36 = 16,270.62/x
  3. Step 3: Cross multiply
    28,845.96x = 39,807.36 × 16,270.62
  4. Step 4: Simplify right side
    28,845.96x = 647,690,427.76
  5. Step 5: Solve for x
    x = 647,690,427.76/28,845.96
  6. Step 6: Final answer
    x = 22,453.42

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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.