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Finding the Fourth Proportional to 25,991.35, 35,868.35 and 14,054.92

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Solution

The fourth proportional to 25,991.35, 35,868.35 and 14,054.92 is: 19,395.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,991.35 : 35,868.35 = 14,054.92 : x
  2. Step 2: Convert to fraction form
    25,991.35/35,868.35 = 14,054.92/x
  3. Step 3: Cross multiply
    25,991.35x = 35,868.35 × 14,054.92
  4. Step 4: Simplify right side
    25,991.35x = 504,126,735.25
  5. Step 5: Solve for x
    x = 504,126,735.25/25,991.35
  6. Step 6: Final answer
    x = 19,395.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.