Home / 27,108.72-37,413.60-15,176.64

Finding the Fourth Proportional to 27,108.72, 37,413.60 and 15,176.64

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Solution

The fourth proportional to 27,108.72, 37,413.60 and 15,176.64 is: 20,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.72 : 37,413.60 = 15,176.64 : x
  2. Step 2: Convert to fraction form
    27,108.72/37,413.60 = 15,176.64/x
  3. Step 3: Cross multiply
    27,108.72x = 37,413.60 × 15,176.64
  4. Step 4: Simplify right side
    27,108.72x = 567,812,738.30
  5. Step 5: Solve for x
    x = 567,812,738.30/27,108.72
  6. Step 6: Final answer
    x = 20,945.76

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1.5x scale

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.