Home / 27,835.75-38,413.14-15,260.50

Finding the Fourth Proportional to 27,835.75, 38,413.14 and 15,260.50

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Solution

The fourth proportional to 27,835.75, 38,413.14 and 15,260.50 is: 21,059.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,835.75 : 38,413.14 = 15,260.50 : x
  2. Step 2: Convert to fraction form
    27,835.75/38,413.14 = 15,260.50/x
  3. Step 3: Cross multiply
    27,835.75x = 38,413.14 × 15,260.50
  4. Step 4: Simplify right side
    27,835.75x = 586,203,713.76
  5. Step 5: Solve for x
    x = 586,203,713.76/27,835.75
  6. Step 6: Final answer
    x = 21,059.38

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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.