Home / 27,645.40-41,435.28-15,934.42

Finding the Fourth Proportional to 27,645.40, 41,435.28 and 15,934.42

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Solution

The fourth proportional to 27,645.40, 41,435.28 and 15,934.42 is: 23,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,645.40 : 41,435.28 = 15,934.42 : x
  2. Step 2: Convert to fraction form
    27,645.40/41,435.28 = 15,934.42/x
  3. Step 3: Cross multiply
    27,645.40x = 41,435.28 × 15,934.42
  4. Step 4: Simplify right side
    27,645.40x = 660,247,154.34
  5. Step 5: Solve for x
    x = 660,247,154.34/27,645.40
  6. Step 6: Final answer
    x = 23,882.71

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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.