Home / 26,368.20-39,540.76-7,895.88

Finding the Fourth Proportional to 26,368.20, 39,540.76 and 7,895.88

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Solution

The fourth proportional to 26,368.20, 39,540.76 and 7,895.88 is: 11,840.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,368.20 : 39,540.76 = 7,895.88 : x
  2. Step 2: Convert to fraction form
    26,368.20/39,540.76 = 7,895.88/x
  3. Step 3: Cross multiply
    26,368.20x = 39,540.76 × 7,895.88
  4. Step 4: Simplify right side
    26,368.20x = 312,209,096.07
  5. Step 5: Solve for x
    x = 312,209,096.07/26,368.20
  6. Step 6: Final answer
    x = 11,840.36

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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.