Home / 27,673.78-38,189.46-15,097.72

Finding the Fourth Proportional to 27,673.78, 38,189.46 and 15,097.72

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Solution

The fourth proportional to 27,673.78, 38,189.46 and 15,097.72 is: 20,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,673.78 : 38,189.46 = 15,097.72 : x
  2. Step 2: Convert to fraction form
    27,673.78/38,189.46 = 15,097.72/x
  3. Step 3: Cross multiply
    27,673.78x = 38,189.46 × 15,097.72
  4. Step 4: Simplify right side
    27,673.78x = 576,573,774.03
  5. Step 5: Solve for x
    x = 576,573,774.03/27,673.78
  6. Step 6: Final answer
    x = 20,834.66

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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.