Home / 28,970.96-39,977.16-23,017.04

Finding the Fourth Proportional to 28,970.96, 39,977.16 and 23,017.04

Calculator

Solution

The fourth proportional to 28,970.96, 39,977.16 and 23,017.04 is: 31,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970.96 : 39,977.16 = 23,017.04 : x
  2. Step 2: Convert to fraction form
    28,970.96/39,977.16 = 23,017.04/x
  3. Step 3: Cross multiply
    28,970.96x = 39,977.16 × 23,017.04
  4. Step 4: Simplify right side
    28,970.96x = 920,155,890.81
  5. Step 5: Solve for x
    x = 920,155,890.81/28,970.96
  6. Step 6: Final answer
    x = 31,761.32

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.