Home / 27,985.28-41,977.87-19,193.54

Finding the Fourth Proportional to 27,985.28, 41,977.87 and 19,193.54

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Solution

The fourth proportional to 27,985.28, 41,977.87 and 19,193.54 is: 28,790.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.28 : 41,977.87 = 19,193.54 : x
  2. Step 2: Convert to fraction form
    27,985.28/41,977.87 = 19,193.54/x
  3. Step 3: Cross multiply
    27,985.28x = 41,977.87 × 19,193.54
  4. Step 4: Simplify right side
    27,985.28x = 805,703,926.96
  5. Step 5: Solve for x
    x = 805,703,926.96/27,985.28
  6. Step 6: Final answer
    x = 28,790.28

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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.