Home / 28,121.03-38,808.72-16,184.10

Finding the Fourth Proportional to 28,121.03, 38,808.72 and 16,184.10

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Solution

The fourth proportional to 28,121.03, 38,808.72 and 16,184.10 is: 22,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,121.03 : 38,808.72 = 16,184.10 : x
  2. Step 2: Convert to fraction form
    28,121.03/38,808.72 = 16,184.10/x
  3. Step 3: Cross multiply
    28,121.03x = 38,808.72 × 16,184.10
  4. Step 4: Simplify right side
    28,121.03x = 628,084,124.43
  5. Step 5: Solve for x
    x = 628,084,124.43/28,121.03
  6. Step 6: Final answer
    x = 22,335.04

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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.