Home / 27,511.72-37,965.44-15,576.18

Finding the Fourth Proportional to 27,511.72, 37,965.44 and 15,576.18

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Solution

The fourth proportional to 27,511.72, 37,965.44 and 15,576.18 is: 21,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,511.72 : 37,965.44 = 15,576.18 : x
  2. Step 2: Convert to fraction form
    27,511.72/37,965.44 = 15,576.18/x
  3. Step 3: Cross multiply
    27,511.72x = 37,965.44 × 15,576.18
  4. Step 4: Simplify right side
    27,511.72x = 591,356,527.22
  5. Step 5: Solve for x
    x = 591,356,527.22/27,511.72
  6. Step 6: Final answer
    x = 21,494.71

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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.