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Finding the Fourth Proportional to 27,150.37, 40,721.00 and 7,425.45

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Solution

The fourth proportional to 27,150.37, 40,721.00 and 7,425.45 is: 11,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.37 : 40,721.00 = 7,425.45 : x
  2. Step 2: Convert to fraction form
    27,150.37/40,721.00 = 7,425.45/x
  3. Step 3: Cross multiply
    27,150.37x = 40,721.00 × 7,425.45
  4. Step 4: Simplify right side
    27,150.37x = 302,371,712.32
  5. Step 5: Solve for x
    x = 302,371,712.32/27,150.37
  6. Step 6: Final answer
    x = 11,136.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.