Home / 27,647.60-38,142.80-17,018.76

Finding the Fourth Proportional to 27,647.60, 38,142.80 and 17,018.76

Calculator

Solution

The fourth proportional to 27,647.60, 38,142.80 and 17,018.76 is: 23,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,647.60 : 38,142.80 = 17,018.76 : x
  2. Step 2: Convert to fraction form
    27,647.60/38,142.80 = 17,018.76/x
  3. Step 3: Cross multiply
    27,647.60x = 38,142.80 × 17,018.76
  4. Step 4: Simplify right side
    27,647.60x = 649,143,158.93
  5. Step 5: Solve for x
    x = 649,143,158.93/27,647.60
  6. Step 6: Final answer
    x = 23,479.19

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.