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Finding the Fourth Proportional to 23,811.27, 32,852.90 and 18,759.81

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Solution

The fourth proportional to 23,811.27, 32,852.90 and 18,759.81 is: 25,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,811.27 : 32,852.90 = 18,759.81 : x
  2. Step 2: Convert to fraction form
    23,811.27/32,852.90 = 18,759.81/x
  3. Step 3: Cross multiply
    23,811.27x = 32,852.90 × 18,759.81
  4. Step 4: Simplify right side
    23,811.27x = 616,314,161.95
  5. Step 5: Solve for x
    x = 616,314,161.95/23,811.27
  6. Step 6: Final answer
    x = 25,883.30

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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.