Home / 25,828-38,756-19,996

Finding the Fourth Proportional to 25,828, 38,756 and 19,996

Calculator

Solution

The fourth proportional to 25,828, 38,756 and 19,996 is: 30,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,828 : 38,756 = 19,996 : x
  2. Step 2: Convert to fraction form
    25,828/38,756 = 19,996/x
  3. Step 3: Cross multiply
    25,828x = 38,756 × 19,996
  4. Step 4: Simplify right side
    25,828x = 774,964,976
  5. Step 5: Solve for x
    x = 774,964,976/25,828
  6. Step 6: Final answer
    x = 30,004.84

Related Problems

Find fourth proportional to 12,914, 19,378 and 9,998
Half scale
Find fourth proportional to 51,656, 77,512 and 39,992
Double scale
Find fourth proportional to 25,829, 38,757.50 and 19,997
Similar ratio
Find fourth proportional to 38,742, 58,134 and 29,994
1.5x scale

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.