Home / 27,016.34-40,491.68-19,121.15

Finding the Fourth Proportional to 27,016.34, 40,491.68 and 19,121.15

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Solution

The fourth proportional to 27,016.34, 40,491.68 and 19,121.15 is: 28,658.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,016.34 : 40,491.68 = 19,121.15 : x
  2. Step 2: Convert to fraction form
    27,016.34/40,491.68 = 19,121.15/x
  3. Step 3: Cross multiply
    27,016.34x = 40,491.68 × 19,121.15
  4. Step 4: Simplify right side
    27,016.34x = 774,247,636.06
  5. Step 5: Solve for x
    x = 774,247,636.06/27,016.34
  6. Step 6: Final answer
    x = 28,658.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.