Home / 57,267.33-85,909.10-17,828.43

Finding the Fourth Proportional to 57,267.33, 85,909.10 and 17,828.43

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Solution

The fourth proportional to 57,267.33, 85,909.10 and 17,828.43 is: 26,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,267.33 : 85,909.10 = 17,828.43 : x
  2. Step 2: Convert to fraction form
    57,267.33/85,909.10 = 17,828.43/x
  3. Step 3: Cross multiply
    57,267.33x = 85,909.10 × 17,828.43
  4. Step 4: Simplify right side
    57,267.33x = 1,531,624,375.71
  5. Step 5: Solve for x
    x = 1,531,624,375.71/57,267.33
  6. Step 6: Final answer
    x = 26,745.17

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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.