Home / 20,417.81-28,175.87-12,473.33

Finding the Fourth Proportional to 20,417.81, 28,175.87 and 12,473.33

Calculator

Solution

The fourth proportional to 20,417.81, 28,175.87 and 12,473.33 is: 17,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417.81 : 28,175.87 = 12,473.33 : x
  2. Step 2: Convert to fraction form
    20,417.81/28,175.87 = 12,473.33/x
  3. Step 3: Cross multiply
    20,417.81x = 28,175.87 × 12,473.33
  4. Step 4: Simplify right side
    20,417.81x = 351,446,862.18
  5. Step 5: Solve for x
    x = 351,446,862.18/20,417.81
  6. Step 6: Final answer
    x = 17,212.76

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.