Home / 27,815.46-41,727.72-9,090.06

Finding the Fourth Proportional to 27,815.46, 41,727.72 and 9,090.06

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Solution

The fourth proportional to 27,815.46, 41,727.72 and 9,090.06 is: 13,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,815.46 : 41,727.72 = 9,090.06 : x
  2. Step 2: Convert to fraction form
    27,815.46/41,727.72 = 9,090.06/x
  3. Step 3: Cross multiply
    27,815.46x = 41,727.72 × 9,090.06
  4. Step 4: Simplify right side
    27,815.46x = 379,307,478.46
  5. Step 5: Solve for x
    x = 379,307,478.46/27,815.46
  6. Step 6: Final answer
    x = 13,636.57

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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.