Home / 17,853.81-26,782.05-5,372.85

Finding the Fourth Proportional to 17,853.81, 26,782.05 and 5,372.85

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Solution

The fourth proportional to 17,853.81, 26,782.05 and 5,372.85 is: 8,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,853.81 : 26,782.05 = 5,372.85 : x
  2. Step 2: Convert to fraction form
    17,853.81/26,782.05 = 5,372.85/x
  3. Step 3: Cross multiply
    17,853.81x = 26,782.05 × 5,372.85
  4. Step 4: Simplify right side
    17,853.81x = 143,895,937.34
  5. Step 5: Solve for x
    x = 143,895,937.34/17,853.81
  6. Step 6: Final answer
    x = 8,059.68

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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.