Home / 28,076.96-38,732.22-16,738.46

Finding the Fourth Proportional to 28,076.96, 38,732.22 and 16,738.46

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Solution

The fourth proportional to 28,076.96, 38,732.22 and 16,738.46 is: 23,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.96 : 38,732.22 = 16,738.46 : x
  2. Step 2: Convert to fraction form
    28,076.96/38,732.22 = 16,738.46/x
  3. Step 3: Cross multiply
    28,076.96x = 38,732.22 × 16,738.46
  4. Step 4: Simplify right side
    28,076.96x = 648,317,631.49
  5. Step 5: Solve for x
    x = 648,317,631.49/28,076.96
  6. Step 6: Final answer
    x = 23,090.74

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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.