Home / 26,892.84-40,341.60-7,171.50

Finding the Fourth Proportional to 26,892.84, 40,341.60 and 7,171.50

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Solution

The fourth proportional to 26,892.84, 40,341.60 and 7,171.50 is: 10,757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,892.84 : 40,341.60 = 7,171.50 : x
  2. Step 2: Convert to fraction form
    26,892.84/40,341.60 = 7,171.50/x
  3. Step 3: Cross multiply
    26,892.84x = 40,341.60 × 7,171.50
  4. Step 4: Simplify right side
    26,892.84x = 289,309,784.40
  5. Step 5: Solve for x
    x = 289,309,784.40/26,892.84
  6. Step 6: Final answer
    x = 10,757.87

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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.