Home / 27,794.38-38,362.18-17,720.50

Finding the Fourth Proportional to 27,794.38, 38,362.18 and 17,720.50

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Solution

The fourth proportional to 27,794.38, 38,362.18 and 17,720.50 is: 24,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,794.38 : 38,362.18 = 17,720.50 : x
  2. Step 2: Convert to fraction form
    27,794.38/38,362.18 = 17,720.50/x
  3. Step 3: Cross multiply
    27,794.38x = 38,362.18 × 17,720.50
  4. Step 4: Simplify right side
    27,794.38x = 679,797,010.69
  5. Step 5: Solve for x
    x = 679,797,010.69/27,794.38
  6. Step 6: Final answer
    x = 24,458.07

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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.