Home / 27,759.20-38,307.99-15,183.95

Finding the Fourth Proportional to 27,759.20, 38,307.99 and 15,183.95

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Solution

The fourth proportional to 27,759.20, 38,307.99 and 15,183.95 is: 20,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.20 : 38,307.99 = 15,183.95 : x
  2. Step 2: Convert to fraction form
    27,759.20/38,307.99 = 15,183.95/x
  3. Step 3: Cross multiply
    27,759.20x = 38,307.99 × 15,183.95
  4. Step 4: Simplify right side
    27,759.20x = 581,666,413.22
  5. Step 5: Solve for x
    x = 581,666,413.22/27,759.20
  6. Step 6: Final answer
    x = 20,954.01

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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.