Home / 25,791.84-38,711.52-19,985.76

Finding the Fourth Proportional to 25,791.84, 38,711.52 and 19,985.76

Calculator

Solution

The fourth proportional to 25,791.84, 38,711.52 and 19,985.76 is: 29,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,791.84 : 38,711.52 = 19,985.76 : x
  2. Step 2: Convert to fraction form
    25,791.84/38,711.52 = 19,985.76/x
  3. Step 3: Cross multiply
    25,791.84x = 38,711.52 × 19,985.76
  4. Step 4: Simplify right side
    25,791.84x = 773,679,147.96
  5. Step 5: Solve for x
    x = 773,679,147.96/25,791.84
  6. Step 6: Final answer
    x = 29,997.05

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.