Home / 27,531.72-37,990.08-16,200

Finding the Fourth Proportional to 27,531.72, 37,990.08 and 16,200

Calculator

Solution

The fourth proportional to 27,531.72, 37,990.08 and 16,200 is: 22,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.72 : 37,990.08 = 16,200 : x
  2. Step 2: Convert to fraction form
    27,531.72/37,990.08 = 16,200/x
  3. Step 3: Cross multiply
    27,531.72x = 37,990.08 × 16,200
  4. Step 4: Simplify right side
    27,531.72x = 615,439,296
  5. Step 5: Solve for x
    x = 615,439,296/27,531.72
  6. Step 6: Final answer
    x = 22,353.83

Related Problems

Find fourth proportional to 13,765.86, 18,995.04 and 8,100
Half scale
Find fourth proportional to 55,063.44, 75,980.16 and 32,400
Double scale
Find fourth proportional to 27,532.72, 37,991.46 and 16,201
Similar ratio
Find fourth proportional to 41,297.58, 56,985.12 and 24,300
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.