Home / 28,517.04-39,352.50-15,941.52

Finding the Fourth Proportional to 28,517.04, 39,352.50 and 15,941.52

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Solution

The fourth proportional to 28,517.04, 39,352.50 and 15,941.52 is: 21,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517.04 : 39,352.50 = 15,941.52 : x
  2. Step 2: Convert to fraction form
    28,517.04/39,352.50 = 15,941.52/x
  3. Step 3: Cross multiply
    28,517.04x = 39,352.50 × 15,941.52
  4. Step 4: Simplify right side
    28,517.04x = 627,338,665.80
  5. Step 5: Solve for x
    x = 627,338,665.80/28,517.04
  6. Step 6: Final answer
    x = 21,998.73

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1.5x scale

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.