Home / 27,742.42-38,275.09-16,992.37

Finding the Fourth Proportional to 27,742.42, 38,275.09 and 16,992.37

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Solution

The fourth proportional to 27,742.42, 38,275.09 and 16,992.37 is: 23,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.42 : 38,275.09 = 16,992.37 : x
  2. Step 2: Convert to fraction form
    27,742.42/38,275.09 = 16,992.37/x
  3. Step 3: Cross multiply
    27,742.42x = 38,275.09 × 16,992.37
  4. Step 4: Simplify right side
    27,742.42x = 650,384,491.06
  5. Step 5: Solve for x
    x = 650,384,491.06/27,742.42
  6. Step 6: Final answer
    x = 23,443.68

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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.