Home / 26,516.31-39,772.39-15,415.92

Finding the Fourth Proportional to 26,516.31, 39,772.39 and 15,415.92

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Solution

The fourth proportional to 26,516.31, 39,772.39 and 15,415.92 is: 23,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,516.31 : 39,772.39 = 15,415.92 : x
  2. Step 2: Convert to fraction form
    26,516.31/39,772.39 = 15,415.92/x
  3. Step 3: Cross multiply
    26,516.31x = 39,772.39 × 15,415.92
  4. Step 4: Simplify right side
    26,516.31x = 613,127,982.45
  5. Step 5: Solve for x
    x = 613,127,982.45/26,516.31
  6. Step 6: Final answer
    x = 23,122.67

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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.