Home / 27,971.10-41,956.76-11,331.45

Finding the Fourth Proportional to 27,971.10, 41,956.76 and 11,331.45

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Solution

The fourth proportional to 27,971.10, 41,956.76 and 11,331.45 is: 16,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,971.10 : 41,956.76 = 11,331.45 : x
  2. Step 2: Convert to fraction form
    27,971.10/41,956.76 = 11,331.45/x
  3. Step 3: Cross multiply
    27,971.10x = 41,956.76 × 11,331.45
  4. Step 4: Simplify right side
    27,971.10x = 475,430,871.44
  5. Step 5: Solve for x
    x = 475,430,871.44/27,971.10
  6. Step 6: Final answer
    x = 16,997.22

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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.