Home / 26,486.28-39,729.51-8,968.41

Finding the Fourth Proportional to 26,486.28, 39,729.51 and 8,968.41

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Solution

The fourth proportional to 26,486.28, 39,729.51 and 8,968.41 is: 13,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,486.28 : 39,729.51 = 8,968.41 : x
  2. Step 2: Convert to fraction form
    26,486.28/39,729.51 = 8,968.41/x
  3. Step 3: Cross multiply
    26,486.28x = 39,729.51 × 8,968.41
  4. Step 4: Simplify right side
    26,486.28x = 356,310,534.78
  5. Step 5: Solve for x
    x = 356,310,534.78/26,486.28
  6. Step 6: Final answer
    x = 13,452.65

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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.