Home / 27,438.12-41,157.02-6,661.48

Finding the Fourth Proportional to 27,438.12, 41,157.02 and 6,661.48

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Solution

The fourth proportional to 27,438.12, 41,157.02 and 6,661.48 is: 9,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.12 : 41,157.02 = 6,661.48 : x
  2. Step 2: Convert to fraction form
    27,438.12/41,157.02 = 6,661.48/x
  3. Step 3: Cross multiply
    27,438.12x = 41,157.02 × 6,661.48
  4. Step 4: Simplify right side
    27,438.12x = 274,166,665.59
  5. Step 5: Solve for x
    x = 274,166,665.59/27,438.12
  6. Step 6: Final answer
    x = 9,992.18

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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.