Home / 21,661.16-32,453.46-15,074.64

Finding the Fourth Proportional to 21,661.16, 32,453.46 and 15,074.64

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Solution

The fourth proportional to 21,661.16, 32,453.46 and 15,074.64 is: 22,585.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,661.16 : 32,453.46 = 15,074.64 : x
  2. Step 2: Convert to fraction form
    21,661.16/32,453.46 = 15,074.64/x
  3. Step 3: Cross multiply
    21,661.16x = 32,453.46 × 15,074.64
  4. Step 4: Simplify right side
    21,661.16x = 489,224,226.25
  5. Step 5: Solve for x
    x = 489,224,226.25/21,661.16
  6. Step 6: Final answer
    x = 22,585.33

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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.