Home / 23,221.90-32,027.70-15,272.29

Finding the Fourth Proportional to 23,221.90, 32,027.70 and 15,272.29

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Solution

The fourth proportional to 23,221.90, 32,027.70 and 15,272.29 is: 21,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,221.90 : 32,027.70 = 15,272.29 : x
  2. Step 2: Convert to fraction form
    23,221.90/32,027.70 = 15,272.29/x
  3. Step 3: Cross multiply
    23,221.90x = 32,027.70 × 15,272.29
  4. Step 4: Simplify right side
    23,221.90x = 489,136,322.43
  5. Step 5: Solve for x
    x = 489,136,322.43/23,221.90
  6. Step 6: Final answer
    x = 21,063.58

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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.