Home / 27,619.59-41,412.76-12,419.36

Finding the Fourth Proportional to 27,619.59, 41,412.76 and 12,419.36

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Solution

The fourth proportional to 27,619.59, 41,412.76 and 12,419.36 is: 18,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.59 : 41,412.76 = 12,419.36 : x
  2. Step 2: Convert to fraction form
    27,619.59/41,412.76 = 12,419.36/x
  3. Step 3: Cross multiply
    27,619.59x = 41,412.76 × 12,419.36
  4. Step 4: Simplify right side
    27,619.59x = 514,319,975.03
  5. Step 5: Solve for x
    x = 514,319,975.03/27,619.59
  6. Step 6: Final answer
    x = 18,621.56

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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.