Home / 28,713.38-39,622.64-16,776

Finding the Fourth Proportional to 28,713.38, 39,622.64 and 16,776

Calculator

Solution

The fourth proportional to 28,713.38, 39,622.64 and 16,776 is: 23,149.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.38 : 39,622.64 = 16,776 : x
  2. Step 2: Convert to fraction form
    28,713.38/39,622.64 = 16,776/x
  3. Step 3: Cross multiply
    28,713.38x = 39,622.64 × 16,776
  4. Step 4: Simplify right side
    28,713.38x = 664,709,324.76
  5. Step 5: Solve for x
    x = 664,709,324.76/28,713.38
  6. Step 6: Final answer
    x = 23,149.82

Related Problems

Find fourth proportional to 14,356.69, 19,811.32 and 8,388
Half scale
Find fourth proportional to 57,426.75, 79,245.27 and 33,552
Double scale
Find fourth proportional to 28,714.38, 39,624.01 and 16,777
Similar ratio
Find fourth proportional to 43,070.06, 59,433.95 and 25,164
1.5x scale

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.