Home / 27,834.37-38,413.86-15,261.55

Finding the Fourth Proportional to 27,834.37, 38,413.86 and 15,261.55

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Solution

The fourth proportional to 27,834.37, 38,413.86 and 15,261.55 is: 21,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.37 : 38,413.86 = 15,261.55 : x
  2. Step 2: Convert to fraction form
    27,834.37/38,413.86 = 15,261.55/x
  3. Step 3: Cross multiply
    27,834.37x = 38,413.86 × 15,261.55
  4. Step 4: Simplify right side
    27,834.37x = 586,255,045.08
  5. Step 5: Solve for x
    x = 586,255,045.08/27,834.37
  6. Step 6: Final answer
    x = 21,062.27

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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.