Home / 28,808.73-43,221.60-17,423.37

Finding the Fourth Proportional to 28,808.73, 43,221.60 and 17,423.37

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Solution

The fourth proportional to 28,808.73, 43,221.60 and 17,423.37 is: 26,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.73 : 43,221.60 = 17,423.37 : x
  2. Step 2: Convert to fraction form
    28,808.73/43,221.60 = 17,423.37/x
  3. Step 3: Cross multiply
    28,808.73x = 43,221.60 × 17,423.37
  4. Step 4: Simplify right side
    28,808.73x = 753,065,928.79
  5. Step 5: Solve for x
    x = 753,065,928.79/28,808.73
  6. Step 6: Final answer
    x = 26,140.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.