Home / 27,812.87-38,351.01-17,725.34

Finding the Fourth Proportional to 27,812.87, 38,351.01 and 17,725.34

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Solution

The fourth proportional to 27,812.87, 38,351.01 and 17,725.34 is: 24,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,812.87 : 38,351.01 = 17,725.34 : x
  2. Step 2: Convert to fraction form
    27,812.87/38,351.01 = 17,725.34/x
  3. Step 3: Cross multiply
    27,812.87x = 38,351.01 × 17,725.34
  4. Step 4: Simplify right side
    27,812.87x = 679,784,691.59
  5. Step 5: Solve for x
    x = 679,784,691.59/27,812.87
  6. Step 6: Final answer
    x = 24,441.37

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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.