Home / 28,204.02-38,911.24-16,873.84

Finding the Fourth Proportional to 28,204.02, 38,911.24 and 16,873.84

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Solution

The fourth proportional to 28,204.02, 38,911.24 and 16,873.84 is: 23,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,204.02 : 38,911.24 = 16,873.84 : x
  2. Step 2: Convert to fraction form
    28,204.02/38,911.24 = 16,873.84/x
  3. Step 3: Cross multiply
    28,204.02x = 38,911.24 × 16,873.84
  4. Step 4: Simplify right side
    28,204.02x = 656,582,037.96
  5. Step 5: Solve for x
    x = 656,582,037.96/28,204.02
  6. Step 6: Final answer
    x = 23,279.73

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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.