Home / 26,515.44-39,764.75-8,981.16

Finding the Fourth Proportional to 26,515.44, 39,764.75 and 8,981.16

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Solution

The fourth proportional to 26,515.44, 39,764.75 and 8,981.16 is: 13,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,515.44 : 39,764.75 = 8,981.16 : x
  2. Step 2: Convert to fraction form
    26,515.44/39,764.75 = 8,981.16/x
  3. Step 3: Cross multiply
    26,515.44x = 39,764.75 × 8,981.16
  4. Step 4: Simplify right side
    26,515.44x = 357,133,537.20
  5. Step 5: Solve for x
    x = 357,133,537.20/26,515.44
  6. Step 6: Final answer
    x = 13,468.89

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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.