Home / 27,988.63-38,626.13-15,413.38

Finding the Fourth Proportional to 27,988.63, 38,626.13 and 15,413.38

Calculator

Solution

The fourth proportional to 27,988.63, 38,626.13 and 15,413.38 is: 21,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.63 : 38,626.13 = 15,413.38 : x
  2. Step 2: Convert to fraction form
    27,988.63/38,626.13 = 15,413.38/x
  3. Step 3: Cross multiply
    27,988.63x = 38,626.13 × 15,413.38
  4. Step 4: Simplify right side
    27,988.63x = 595,359,219.62
  5. Step 5: Solve for x
    x = 595,359,219.62/27,988.63
  6. Step 6: Final answer
    x = 21,271.47

Related Problems

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.