Home / 23,222.40-32,028.39-15,272.79

Finding the Fourth Proportional to 23,222.40, 32,028.39 and 15,272.79

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Solution

The fourth proportional to 23,222.40, 32,028.39 and 15,272.79 is: 21,064.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,222.40 : 32,028.39 = 15,272.79 : x
  2. Step 2: Convert to fraction form
    23,222.40/32,028.39 = 15,272.79/x
  3. Step 3: Cross multiply
    23,222.40x = 32,028.39 × 15,272.79
  4. Step 4: Simplify right side
    23,222.40x = 489,162,874.51
  5. Step 5: Solve for x
    x = 489,162,874.51/23,222.40
  6. Step 6: Final answer
    x = 21,064.27

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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.