Home / 28,232.22-38,962.14-16,136.48

Finding the Fourth Proportional to 28,232.22, 38,962.14 and 16,136.48

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Solution

The fourth proportional to 28,232.22, 38,962.14 and 16,136.48 is: 22,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.22 : 38,962.14 = 16,136.48 : x
  2. Step 2: Convert to fraction form
    28,232.22/38,962.14 = 16,136.48/x
  3. Step 3: Cross multiply
    28,232.22x = 38,962.14 × 16,136.48
  4. Step 4: Simplify right side
    28,232.22x = 628,711,792.87
  5. Step 5: Solve for x
    x = 628,711,792.87/28,232.22
  6. Step 6: Final answer
    x = 22,269.30

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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.