Home / 27,057.16-40,572.36-15,815.33

Finding the Fourth Proportional to 27,057.16, 40,572.36 and 15,815.33

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Solution

The fourth proportional to 27,057.16, 40,572.36 and 15,815.33 is: 23,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.16 : 40,572.36 = 15,815.33 : x
  2. Step 2: Convert to fraction form
    27,057.16/40,572.36 = 15,815.33/x
  3. Step 3: Cross multiply
    27,057.16x = 40,572.36 × 15,815.33
  4. Step 4: Simplify right side
    27,057.16x = 641,665,262.28
  5. Step 5: Solve for x
    x = 641,665,262.28/27,057.16
  6. Step 6: Final answer
    x = 23,715.18

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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.