Home / 17,735.38-26,605.95-5,420.50

Finding the Fourth Proportional to 17,735.38, 26,605.95 and 5,420.50

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Solution

The fourth proportional to 17,735.38, 26,605.95 and 5,420.50 is: 8,131.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,735.38 : 26,605.95 = 5,420.50 : x
  2. Step 2: Convert to fraction form
    17,735.38/26,605.95 = 5,420.50/x
  3. Step 3: Cross multiply
    17,735.38x = 26,605.95 × 5,420.50
  4. Step 4: Simplify right side
    17,735.38x = 144,217,551.98
  5. Step 5: Solve for x
    x = 144,217,551.98/17,735.38
  6. Step 6: Final answer
    x = 8,131.63

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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.