Home / 27,413.84-37,828.99-15,478.36

Finding the Fourth Proportional to 27,413.84, 37,828.99 and 15,478.36

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Solution

The fourth proportional to 27,413.84, 37,828.99 and 15,478.36 is: 21,358.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,413.84 : 37,828.99 = 15,478.36 : x
  2. Step 2: Convert to fraction form
    27,413.84/37,828.99 = 15,478.36/x
  3. Step 3: Cross multiply
    27,413.84x = 37,828.99 × 15,478.36
  4. Step 4: Simplify right side
    27,413.84x = 585,530,650.43
  5. Step 5: Solve for x
    x = 585,530,650.43/27,413.84
  6. Step 6: Final answer
    x = 21,358.94

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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.