Home / 27,930.20-41,895.30-13,134.20

Finding the Fourth Proportional to 27,930.20, 41,895.30 and 13,134.20

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Solution

The fourth proportional to 27,930.20, 41,895.30 and 13,134.20 is: 19,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.20 : 41,895.30 = 13,134.20 : x
  2. Step 2: Convert to fraction form
    27,930.20/41,895.30 = 13,134.20/x
  3. Step 3: Cross multiply
    27,930.20x = 41,895.30 × 13,134.20
  4. Step 4: Simplify right side
    27,930.20x = 550,261,249.26
  5. Step 5: Solve for x
    x = 550,261,249.26/27,930.20
  6. Step 6: Final answer
    x = 19,701.30

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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.