Home / 19,930.71-27,474.30-16,387.77

Finding the Fourth Proportional to 19,930.71, 27,474.30 and 16,387.77

Calculator

Solution

The fourth proportional to 19,930.71, 27,474.30 and 16,387.77 is: 22,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.71 : 27,474.30 = 16,387.77 : x
  2. Step 2: Convert to fraction form
    19,930.71/27,474.30 = 16,387.77/x
  3. Step 3: Cross multiply
    19,930.71x = 27,474.30 × 16,387.77
  4. Step 4: Simplify right side
    19,930.71x = 450,242,509.31
  5. Step 5: Solve for x
    x = 450,242,509.31/19,930.71
  6. Step 6: Final answer
    x = 22,590.39

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.