Home / 27,068.14-40,610.40-19,185.90

Finding the Fourth Proportional to 27,068.14, 40,610.40 and 19,185.90

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Solution

The fourth proportional to 27,068.14, 40,610.40 and 19,185.90 is: 28,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,068.14 : 40,610.40 = 19,185.90 : x
  2. Step 2: Convert to fraction form
    27,068.14/40,610.40 = 19,185.90/x
  3. Step 3: Cross multiply
    27,068.14x = 40,610.40 × 19,185.90
  4. Step 4: Simplify right side
    27,068.14x = 779,147,073.36
  5. Step 5: Solve for x
    x = 779,147,073.36/27,068.14
  6. Step 6: Final answer
    x = 28,784.66

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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.