Home / 25,211.27-34,791.26-13,880.53

Finding the Fourth Proportional to 25,211.27, 34,791.26 and 13,880.53

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Solution

The fourth proportional to 25,211.27, 34,791.26 and 13,880.53 is: 19,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211.27 : 34,791.26 = 13,880.53 : x
  2. Step 2: Convert to fraction form
    25,211.27/34,791.26 = 13,880.53/x
  3. Step 3: Cross multiply
    25,211.27x = 34,791.26 × 13,880.53
  4. Step 4: Simplify right side
    25,211.27x = 482,920,984.63
  5. Step 5: Solve for x
    x = 482,920,984.63/25,211.27
  6. Step 6: Final answer
    x = 19,154.97

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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.