Home / 27,013.78-40,532.79-17,150.42

Finding the Fourth Proportional to 27,013.78, 40,532.79 and 17,150.42

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Solution

The fourth proportional to 27,013.78, 40,532.79 and 17,150.42 is: 25,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,013.78 : 40,532.79 = 17,150.42 : x
  2. Step 2: Convert to fraction form
    27,013.78/40,532.79 = 17,150.42/x
  3. Step 3: Cross multiply
    27,013.78x = 40,532.79 × 17,150.42
  4. Step 4: Simplify right side
    27,013.78x = 695,154,372.27
  5. Step 5: Solve for x
    x = 695,154,372.27/27,013.78
  6. Step 6: Final answer
    x = 25,733.32

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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.