Home / 20,534.04-30,639.78-19,280.16

Finding the Fourth Proportional to 20,534.04, 30,639.78 and 19,280.16

Calculator

Solution

The fourth proportional to 20,534.04, 30,639.78 and 19,280.16 is: 28,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534.04 : 30,639.78 = 19,280.16 : x
  2. Step 2: Convert to fraction form
    20,534.04/30,639.78 = 19,280.16/x
  3. Step 3: Cross multiply
    20,534.04x = 30,639.78 × 19,280.16
  4. Step 4: Simplify right side
    20,534.04x = 590,739,860.76
  5. Step 5: Solve for x
    x = 590,739,860.76/20,534.04
  6. Step 6: Final answer
    x = 28,768.81

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.