Home / 21,511.26-32,268.51-5,928.75

Finding the Fourth Proportional to 21,511.26, 32,268.51 and 5,928.75

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Solution

The fourth proportional to 21,511.26, 32,268.51 and 5,928.75 is: 8,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511.26 : 32,268.51 = 5,928.75 : x
  2. Step 2: Convert to fraction form
    21,511.26/32,268.51 = 5,928.75/x
  3. Step 3: Cross multiply
    21,511.26x = 32,268.51 × 5,928.75
  4. Step 4: Simplify right side
    21,511.26x = 191,311,928.66
  5. Step 5: Solve for x
    x = 191,311,928.66/21,511.26
  6. Step 6: Final answer
    x = 8,893.57

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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.