Home / 28,114.16-38,793.80-18,056.22

Finding the Fourth Proportional to 28,114.16, 38,793.80 and 18,056.22

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Solution

The fourth proportional to 28,114.16, 38,793.80 and 18,056.22 is: 24,915.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114.16 : 38,793.80 = 18,056.22 : x
  2. Step 2: Convert to fraction form
    28,114.16/38,793.80 = 18,056.22/x
  3. Step 3: Cross multiply
    28,114.16x = 38,793.80 × 18,056.22
  4. Step 4: Simplify right side
    28,114.16x = 700,469,297.15
  5. Step 5: Solve for x
    x = 700,469,297.15/28,114.16
  6. Step 6: Final answer
    x = 24,915.18

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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.