Home / 27,816.70-38,386.56-17,203.54

Finding the Fourth Proportional to 27,816.70, 38,386.56 and 17,203.54

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Solution

The fourth proportional to 27,816.70, 38,386.56 and 17,203.54 is: 23,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,816.70 : 38,386.56 = 17,203.54 : x
  2. Step 2: Convert to fraction form
    27,816.70/38,386.56 = 17,203.54/x
  3. Step 3: Cross multiply
    27,816.70x = 38,386.56 × 17,203.54
  4. Step 4: Simplify right side
    27,816.70x = 660,384,720.42
  5. Step 5: Solve for x
    x = 660,384,720.42/27,816.70
  6. Step 6: Final answer
    x = 23,740.58

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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.