Home / 27,218.22-37,563.11-15,889.56

Finding the Fourth Proportional to 27,218.22, 37,563.11 and 15,889.56

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Solution

The fourth proportional to 27,218.22, 37,563.11 and 15,889.56 is: 21,928.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.22 : 37,563.11 = 15,889.56 : x
  2. Step 2: Convert to fraction form
    27,218.22/37,563.11 = 15,889.56/x
  3. Step 3: Cross multiply
    27,218.22x = 37,563.11 × 15,889.56
  4. Step 4: Simplify right side
    27,218.22x = 596,861,290.13
  5. Step 5: Solve for x
    x = 596,861,290.13/27,218.22
  6. Step 6: Final answer
    x = 21,928.74

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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.