Home / 27,619.38-41,419.76-19,303.31

Finding the Fourth Proportional to 27,619.38, 41,419.76 and 19,303.31

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Solution

The fourth proportional to 27,619.38, 41,419.76 and 19,303.31 is: 28,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.38 : 41,419.76 = 19,303.31 : x
  2. Step 2: Convert to fraction form
    27,619.38/41,419.76 = 19,303.31/x
  3. Step 3: Cross multiply
    27,619.38x = 41,419.76 × 19,303.31
  4. Step 4: Simplify right side
    27,619.38x = 799,538,474.44
  5. Step 5: Solve for x
    x = 799,538,474.44/27,619.38
  6. Step 6: Final answer
    x = 28,948.46

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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.