Home / 23,182.44-31,991.78-12,572.20

Finding the Fourth Proportional to 23,182.44, 31,991.78 and 12,572.20

Calculator

Solution

The fourth proportional to 23,182.44, 31,991.78 and 12,572.20 is: 17,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,182.44 : 31,991.78 = 12,572.20 : x
  2. Step 2: Convert to fraction form
    23,182.44/31,991.78 = 12,572.20/x
  3. Step 3: Cross multiply
    23,182.44x = 31,991.78 × 12,572.20
  4. Step 4: Simplify right side
    23,182.44x = 402,207,056.52
  5. Step 5: Solve for x
    x = 402,207,056.52/23,182.44
  6. Step 6: Final answer
    x = 17,349.64

Related Problems

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.