Home / 27,181.20-37,511.67-15,245.21

Finding the Fourth Proportional to 27,181.20, 37,511.67 and 15,245.21

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Solution

The fourth proportional to 27,181.20, 37,511.67 and 15,245.21 is: 21,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,181.20 : 37,511.67 = 15,245.21 : x
  2. Step 2: Convert to fraction form
    27,181.20/37,511.67 = 15,245.21/x
  3. Step 3: Cross multiply
    27,181.20x = 37,511.67 × 15,245.21
  4. Step 4: Simplify right side
    27,181.20x = 571,873,099.04
  5. Step 5: Solve for x
    x = 571,873,099.04/27,181.20
  6. Step 6: Final answer
    x = 21,039.29

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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.