Home / 27,322.71-37,704.96-15,387.21

Finding the Fourth Proportional to 27,322.71, 37,704.96 and 15,387.21

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Solution

The fourth proportional to 27,322.71, 37,704.96 and 15,387.21 is: 21,234.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.71 : 37,704.96 = 15,387.21 : x
  2. Step 2: Convert to fraction form
    27,322.71/37,704.96 = 15,387.21/x
  3. Step 3: Cross multiply
    27,322.71x = 37,704.96 × 15,387.21
  4. Step 4: Simplify right side
    27,322.71x = 580,174,137.56
  5. Step 5: Solve for x
    x = 580,174,137.56/27,322.71
  6. Step 6: Final answer
    x = 21,234.14

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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.