Home / 28,617.10-42,921.06-7,835.74

Finding the Fourth Proportional to 28,617.10, 42,921.06 and 7,835.74

Calculator

Solution

The fourth proportional to 28,617.10, 42,921.06 and 7,835.74 is: 11,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,617.10 : 42,921.06 = 7,835.74 : x
  2. Step 2: Convert to fraction form
    28,617.10/42,921.06 = 7,835.74/x
  3. Step 3: Cross multiply
    28,617.10x = 42,921.06 × 7,835.74
  4. Step 4: Simplify right side
    28,617.10x = 336,318,266.68
  5. Step 5: Solve for x
    x = 336,318,266.68/28,617.10
  6. Step 6: Final answer
    x = 11,752.35

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.