Home / 19,880.30-27,433.99-10,926.97

Finding the Fourth Proportional to 19,880.30, 27,433.99 and 10,926.97

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Solution

The fourth proportional to 19,880.30, 27,433.99 and 10,926.97 is: 15,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.30 : 27,433.99 = 10,926.97 : x
  2. Step 2: Convert to fraction form
    19,880.30/27,433.99 = 10,926.97/x
  3. Step 3: Cross multiply
    19,880.30x = 27,433.99 × 10,926.97
  4. Step 4: Simplify right side
    19,880.30x = 299,770,330.78
  5. Step 5: Solve for x
    x = 299,770,330.78/19,880.30
  6. Step 6: Final answer
    x = 15,078.76

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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.