Home / 27,969.37-41,969.43-13,177.90

Finding the Fourth Proportional to 27,969.37, 41,969.43 and 13,177.90

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Solution

The fourth proportional to 27,969.37, 41,969.43 and 13,177.90 is: 19,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,969.37 : 41,969.43 = 13,177.90 : x
  2. Step 2: Convert to fraction form
    27,969.37/41,969.43 = 13,177.90/x
  3. Step 3: Cross multiply
    27,969.37x = 41,969.43 × 13,177.90
  4. Step 4: Simplify right side
    27,969.37x = 553,068,951.60
  5. Step 5: Solve for x
    x = 553,068,951.60/27,969.37
  6. Step 6: Final answer
    x = 19,774.09

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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.