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Finding the Fourth Proportional to 27,957.99, 41,936.99 and 19,166.25

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Solution

The fourth proportional to 27,957.99, 41,936.99 and 19,166.25 is: 28,749.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957.99 : 41,936.99 = 19,166.25 : x
  2. Step 2: Convert to fraction form
    27,957.99/41,936.99 = 19,166.25/x
  3. Step 3: Cross multiply
    27,957.99x = 41,936.99 × 19,166.25
  4. Step 4: Simplify right side
    27,957.99x = 803,774,834.59
  5. Step 5: Solve for x
    x = 803,774,834.59/27,957.99
  6. Step 6: Final answer
    x = 28,749.38

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1.5x scale

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.