Home / 27,828.02-41,691.80-18,445.80

Finding the Fourth Proportional to 27,828.02, 41,691.80 and 18,445.80

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Solution

The fourth proportional to 27,828.02, 41,691.80 and 18,445.80 is: 27,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.02 : 41,691.80 = 18,445.80 : x
  2. Step 2: Convert to fraction form
    27,828.02/41,691.80 = 18,445.80/x
  3. Step 3: Cross multiply
    27,828.02x = 41,691.80 × 18,445.80
  4. Step 4: Simplify right side
    27,828.02x = 769,038,604.44
  5. Step 5: Solve for x
    x = 769,038,604.44/27,828.02
  6. Step 6: Final answer
    x = 27,635.41

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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.