Home / 26,289.21-36,279.08-16,857.75

Finding the Fourth Proportional to 26,289.21, 36,279.08 and 16,857.75

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Solution

The fourth proportional to 26,289.21, 36,279.08 and 16,857.75 is: 23,263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289.21 : 36,279.08 = 16,857.75 : x
  2. Step 2: Convert to fraction form
    26,289.21/36,279.08 = 16,857.75/x
  3. Step 3: Cross multiply
    26,289.21x = 36,279.08 × 16,857.75
  4. Step 4: Simplify right side
    26,289.21x = 611,583,576.58
  5. Step 5: Solve for x
    x = 611,583,576.58/26,289.21
  6. Step 6: Final answer
    x = 23,263.67

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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.