Home / 28,291.73-39,026.34-17,662.91

Finding the Fourth Proportional to 28,291.73, 39,026.34 and 17,662.91

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Solution

The fourth proportional to 28,291.73, 39,026.34 and 17,662.91 is: 24,364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291.73 : 39,026.34 = 17,662.91 : x
  2. Step 2: Convert to fraction form
    28,291.73/39,026.34 = 17,662.91/x
  3. Step 3: Cross multiply
    28,291.73x = 39,026.34 × 17,662.91
  4. Step 4: Simplify right side
    28,291.73x = 689,318,731.05
  5. Step 5: Solve for x
    x = 689,318,731.05/28,291.73
  6. Step 6: Final answer
    x = 24,364.67

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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.