Home / 28,376.85-39,158.53-16,276.71

Finding the Fourth Proportional to 28,376.85, 39,158.53 and 16,276.71

Calculator

Solution

The fourth proportional to 28,376.85, 39,158.53 and 16,276.71 is: 22,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376.85 : 39,158.53 = 16,276.71 : x
  2. Step 2: Convert to fraction form
    28,376.85/39,158.53 = 16,276.71/x
  3. Step 3: Cross multiply
    28,376.85x = 39,158.53 × 16,276.71
  4. Step 4: Simplify right side
    28,376.85x = 637,372,036.84
  5. Step 5: Solve for x
    x = 637,372,036.84/28,376.85
  6. Step 6: Final answer
    x = 22,460.99

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.