Home / 27,985.34-41,977.97-19,193.60

Finding the Fourth Proportional to 27,985.34, 41,977.97 and 19,193.60

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Solution

The fourth proportional to 27,985.34, 41,977.97 and 19,193.60 is: 28,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.34 : 41,977.97 = 19,193.60 : x
  2. Step 2: Convert to fraction form
    27,985.34/41,977.97 = 19,193.60/x
  3. Step 3: Cross multiply
    27,985.34x = 41,977.97 × 19,193.60
  4. Step 4: Simplify right side
    27,985.34x = 805,708,364.99
  5. Step 5: Solve for x
    x = 805,708,364.99/27,985.34
  6. Step 6: Final answer
    x = 28,790.37

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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.