Home / 21,578.36-32,367.12-9,725.60

Finding the Fourth Proportional to 21,578.36, 32,367.12 and 9,725.60

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Solution

The fourth proportional to 21,578.36, 32,367.12 and 9,725.60 is: 14,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,578.36 : 32,367.12 = 9,725.60 : x
  2. Step 2: Convert to fraction form
    21,578.36/32,367.12 = 9,725.60/x
  3. Step 3: Cross multiply
    21,578.36x = 32,367.12 × 9,725.60
  4. Step 4: Simplify right side
    21,578.36x = 314,789,662.27
  5. Step 5: Solve for x
    x = 314,789,662.27/21,578.36
  6. Step 6: Final answer
    x = 14,588.21

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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.