Home / 27,022.81-40,506.49-10,378.36

Finding the Fourth Proportional to 27,022.81, 40,506.49 and 10,378.36

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Solution

The fourth proportional to 27,022.81, 40,506.49 and 10,378.36 is: 15,556.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,022.81 : 40,506.49 = 10,378.36 : x
  2. Step 2: Convert to fraction form
    27,022.81/40,506.49 = 10,378.36/x
  3. Step 3: Cross multiply
    27,022.81x = 40,506.49 × 10,378.36
  4. Step 4: Simplify right side
    27,022.81x = 420,390,935.56
  5. Step 5: Solve for x
    x = 420,390,935.56/27,022.81
  6. Step 6: Final answer
    x = 15,556.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.