Home / 27,431.19-41,138.61-11,635.98

Finding the Fourth Proportional to 27,431.19, 41,138.61 and 11,635.98

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Solution

The fourth proportional to 27,431.19, 41,138.61 and 11,635.98 is: 17,450.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.19 : 41,138.61 = 11,635.98 : x
  2. Step 2: Convert to fraction form
    27,431.19/41,138.61 = 11,635.98/x
  3. Step 3: Cross multiply
    27,431.19x = 41,138.61 × 11,635.98
  4. Step 4: Simplify right side
    27,431.19x = 478,688,043.19
  5. Step 5: Solve for x
    x = 478,688,043.19/27,431.19
  6. Step 6: Final answer
    x = 17,450.50

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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.