Home / 28,427.64-39,222.27-18,356.51

Finding the Fourth Proportional to 28,427.64, 39,222.27 and 18,356.51

Calculator

Solution

The fourth proportional to 28,427.64, 39,222.27 and 18,356.51 is: 25,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427.64 : 39,222.27 = 18,356.51 : x
  2. Step 2: Convert to fraction form
    28,427.64/39,222.27 = 18,356.51/x
  3. Step 3: Cross multiply
    28,427.64x = 39,222.27 × 18,356.51
  4. Step 4: Simplify right side
    28,427.64x = 719,983,795.37
  5. Step 5: Solve for x
    x = 719,983,795.37/28,427.64
  6. Step 6: Final answer
    x = 25,326.89

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.