Home / 28,174.94-42,283.83-10,422.40

Finding the Fourth Proportional to 28,174.94, 42,283.83 and 10,422.40

Calculator

Solution

The fourth proportional to 28,174.94, 42,283.83 and 10,422.40 is: 15,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,174.94 : 42,283.83 = 10,422.40 : x
  2. Step 2: Convert to fraction form
    28,174.94/42,283.83 = 10,422.40/x
  3. Step 3: Cross multiply
    28,174.94x = 42,283.83 × 10,422.40
  4. Step 4: Simplify right side
    28,174.94x = 440,698,989.79
  5. Step 5: Solve for x
    x = 440,698,989.79/28,174.94
  6. Step 6: Final answer
    x = 15,641.52

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.