Home / 27,895.55-38,481.57-17,813.39

Finding the Fourth Proportional to 27,895.55, 38,481.57 and 17,813.39

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Solution

The fourth proportional to 27,895.55, 38,481.57 and 17,813.39 is: 24,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895.55 : 38,481.57 = 17,813.39 : x
  2. Step 2: Convert to fraction form
    27,895.55/38,481.57 = 17,813.39/x
  3. Step 3: Cross multiply
    27,895.55x = 38,481.57 × 17,813.39
  4. Step 4: Simplify right side
    27,895.55x = 685,487,021.81
  5. Step 5: Solve for x
    x = 685,487,021.81/27,895.55
  6. Step 6: Final answer
    x = 24,573.35

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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.