Home / 28,007.27-41,998.60-8,287.36

Finding the Fourth Proportional to 28,007.27, 41,998.60 and 8,287.36

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Solution

The fourth proportional to 28,007.27, 41,998.60 and 8,287.36 is: 12,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007.27 : 41,998.60 = 8,287.36 : x
  2. Step 2: Convert to fraction form
    28,007.27/41,998.60 = 8,287.36/x
  3. Step 3: Cross multiply
    28,007.27x = 41,998.60 × 8,287.36
  4. Step 4: Simplify right side
    28,007.27x = 348,057,659.30
  5. Step 5: Solve for x
    x = 348,057,659.30/28,007.27
  6. Step 6: Final answer
    x = 12,427.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.