Home / 28,227.71-38,954.45-19,274.99

Finding the Fourth Proportional to 28,227.71, 38,954.45 and 19,274.99

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Solution

The fourth proportional to 28,227.71, 38,954.45 and 19,274.99 is: 26,599.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.71 : 38,954.45 = 19,274.99 : x
  2. Step 2: Convert to fraction form
    28,227.71/38,954.45 = 19,274.99/x
  3. Step 3: Cross multiply
    28,227.71x = 38,954.45 × 19,274.99
  4. Step 4: Simplify right side
    28,227.71x = 750,846,487.62
  5. Step 5: Solve for x
    x = 750,846,487.62/28,227.71
  6. Step 6: Final answer
    x = 26,599.62

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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.