Home / 28,391.93-42,590.52-9,665.67

Finding the Fourth Proportional to 28,391.93, 42,590.52 and 9,665.67

Calculator

Solution

The fourth proportional to 28,391.93, 42,590.52 and 9,665.67 is: 14,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391.93 : 42,590.52 = 9,665.67 : x
  2. Step 2: Convert to fraction form
    28,391.93/42,590.52 = 9,665.67/x
  3. Step 3: Cross multiply
    28,391.93x = 42,590.52 × 9,665.67
  4. Step 4: Simplify right side
    28,391.93x = 411,665,911.45
  5. Step 5: Solve for x
    x = 411,665,911.45/28,391.93
  6. Step 6: Final answer
    x = 14,499.40

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.