Home / 27,912.96-38,520-16,425

Finding the Fourth Proportional to 27,912.96, 38,520 and 16,425

Calculator

Solution

The fourth proportional to 27,912.96, 38,520 and 16,425 is: 22,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.96 : 38,520 = 16,425 : x
  2. Step 2: Convert to fraction form
    27,912.96/38,520 = 16,425/x
  3. Step 3: Cross multiply
    27,912.96x = 38,520 × 16,425
  4. Step 4: Simplify right side
    27,912.96x = 632,691,000
  5. Step 5: Solve for x
    x = 632,691,000/27,912.96
  6. Step 6: Final answer
    x = 22,666.57

Related Problems

Find fourth proportional to 13,956.48, 19,260 and 8,212.50
Half scale
Find fourth proportional to 55,825.92, 77,040 and 32,850
Double scale
Find fourth proportional to 27,913.96, 38,521.38 and 16,426
Similar ratio
Find fourth proportional to 41,869.44, 57,780 and 24,637.50
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.