Home / 27,072.24-37,357.96-15,136.56

Finding the Fourth Proportional to 27,072.24, 37,357.96 and 15,136.56

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Solution

The fourth proportional to 27,072.24, 37,357.96 and 15,136.56 is: 20,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,072.24 : 37,357.96 = 15,136.56 : x
  2. Step 2: Convert to fraction form
    27,072.24/37,357.96 = 15,136.56/x
  3. Step 3: Cross multiply
    27,072.24x = 37,357.96 × 15,136.56
  4. Step 4: Simplify right side
    27,072.24x = 565,471,003.02
  5. Step 5: Solve for x
    x = 565,471,003.02/27,072.24
  6. Step 6: Final answer
    x = 20,887.48

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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.