Home / 28,035.62-38,676.39-18,610.46

Finding the Fourth Proportional to 28,035.62, 38,676.39 and 18,610.46

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Solution

The fourth proportional to 28,035.62, 38,676.39 and 18,610.46 is: 25,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.62 : 38,676.39 = 18,610.46 : x
  2. Step 2: Convert to fraction form
    28,035.62/38,676.39 = 18,610.46/x
  3. Step 3: Cross multiply
    28,035.62x = 38,676.39 × 18,610.46
  4. Step 4: Simplify right side
    28,035.62x = 719,785,409.04
  5. Step 5: Solve for x
    x = 719,785,409.04/28,035.62
  6. Step 6: Final answer
    x = 25,673.96

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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.