Home / 27,660.69-41,449.02-20,270.05

Finding the Fourth Proportional to 27,660.69, 41,449.02 and 20,270.05

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Solution

The fourth proportional to 27,660.69, 41,449.02 and 20,270.05 is: 30,374.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,660.69 : 41,449.02 = 20,270.05 : x
  2. Step 2: Convert to fraction form
    27,660.69/41,449.02 = 20,270.05/x
  3. Step 3: Cross multiply
    27,660.69x = 41,449.02 × 20,270.05
  4. Step 4: Simplify right side
    27,660.69x = 840,173,528.22
  5. Step 5: Solve for x
    x = 840,173,528.22/27,660.69
  6. Step 6: Final answer
    x = 30,374.28

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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.