Home / 25,899.21-38,816.28-11,090.79

Finding the Fourth Proportional to 25,899.21, 38,816.28 and 11,090.79

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Solution

The fourth proportional to 25,899.21, 38,816.28 and 11,090.79 is: 16,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,899.21 : 38,816.28 = 11,090.79 : x
  2. Step 2: Convert to fraction form
    25,899.21/38,816.28 = 11,090.79/x
  3. Step 3: Cross multiply
    25,899.21x = 38,816.28 × 11,090.79
  4. Step 4: Simplify right side
    25,899.21x = 430,503,210.06
  5. Step 5: Solve for x
    x = 430,503,210.06/25,899.21
  6. Step 6: Final answer
    x = 16,622.25

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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.