Home / 21,767.92-32,651.88-10,078

Finding the Fourth Proportional to 21,767.92, 32,651.88 and 10,078

Calculator

Solution

The fourth proportional to 21,767.92, 32,651.88 and 10,078 is: 15,117

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,767.92 : 32,651.88 = 10,078 : x
  2. Step 2: Convert to fraction form
    21,767.92/32,651.88 = 10,078/x
  3. Step 3: Cross multiply
    21,767.92x = 32,651.88 × 10,078
  4. Step 4: Simplify right side
    21,767.92x = 329,065,646.64
  5. Step 5: Solve for x
    x = 329,065,646.64/21,767.92
  6. Step 6: Final answer
    x = 15,117

Related Problems

Find fourth proportional to 10,883.96, 16,325.94 and 5,039
Half scale
Find fourth proportional to 43,535.84, 65,303.76 and 20,156
Double scale
Find fourth proportional to 21,768.92, 32,653.38 and 10,079
Similar ratio
Find fourth proportional to 32,651.88, 48,977.82 and 15,117
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.