Home / 27,180.75-37,509.50-15,858.03

Finding the Fourth Proportional to 27,180.75, 37,509.50 and 15,858.03

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Solution

The fourth proportional to 27,180.75, 37,509.50 and 15,858.03 is: 21,884.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180.75 : 37,509.50 = 15,858.03 : x
  2. Step 2: Convert to fraction form
    27,180.75/37,509.50 = 15,858.03/x
  3. Step 3: Cross multiply
    27,180.75x = 37,509.50 × 15,858.03
  4. Step 4: Simplify right side
    27,180.75x = 594,826,815.93
  5. Step 5: Solve for x
    x = 594,826,815.93/27,180.75
  6. Step 6: Final answer
    x = 21,884.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.