Home / 27,462.75-37,861.94-21,816.24

Finding the Fourth Proportional to 27,462.75, 37,861.94 and 21,816.24

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Solution

The fourth proportional to 27,462.75, 37,861.94 and 21,816.24 is: 30,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,462.75 : 37,861.94 = 21,816.24 : x
  2. Step 2: Convert to fraction form
    27,462.75/37,861.94 = 21,816.24/x
  3. Step 3: Cross multiply
    27,462.75x = 37,861.94 × 21,816.24
  4. Step 4: Simplify right side
    27,462.75x = 826,005,224.45
  5. Step 5: Solve for x
    x = 826,005,224.45/27,462.75
  6. Step 6: Final answer
    x = 30,077.29

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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.