Home / 27,807.30-41,723.10-13,008.60

Finding the Fourth Proportional to 27,807.30, 41,723.10 and 13,008.60

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Solution

The fourth proportional to 27,807.30, 41,723.10 and 13,008.60 is: 19,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,807.30 : 41,723.10 = 13,008.60 : x
  2. Step 2: Convert to fraction form
    27,807.30/41,723.10 = 13,008.60/x
  3. Step 3: Cross multiply
    27,807.30x = 41,723.10 × 13,008.60
  4. Step 4: Simplify right side
    27,807.30x = 542,759,118.66
  5. Step 5: Solve for x
    x = 542,759,118.66/27,807.30
  6. Step 6: Final answer
    x = 19,518.58

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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.