Home / 27,981.36-38,614.32-15,406.14

Finding the Fourth Proportional to 27,981.36, 38,614.32 and 15,406.14

Calculator

Solution

The fourth proportional to 27,981.36, 38,614.32 and 15,406.14 is: 21,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.36 : 38,614.32 = 15,406.14 : x
  2. Step 2: Convert to fraction form
    27,981.36/38,614.32 = 15,406.14/x
  3. Step 3: Cross multiply
    27,981.36x = 38,614.32 × 15,406.14
  4. Step 4: Simplify right side
    27,981.36x = 594,897,619.92
  5. Step 5: Solve for x
    x = 594,897,619.92/27,981.36
  6. Step 6: Final answer
    x = 21,260.50

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.