Home / 26,334.81-39,439.17-19,199.88

Finding the Fourth Proportional to 26,334.81, 39,439.17 and 19,199.88

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Solution

The fourth proportional to 26,334.81, 39,439.17 and 19,199.88 is: 28,753.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,334.81 : 39,439.17 = 19,199.88 : x
  2. Step 2: Convert to fraction form
    26,334.81/39,439.17 = 19,199.88/x
  3. Step 3: Cross multiply
    26,334.81x = 39,439.17 × 19,199.88
  4. Step 4: Simplify right side
    26,334.81x = 757,227,331.30
  5. Step 5: Solve for x
    x = 757,227,331.30/26,334.81
  6. Step 6: Final answer
    x = 28,753.86

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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.