Home / 26,503.10-39,754.44-6,781.60

Finding the Fourth Proportional to 26,503.10, 39,754.44 and 6,781.60

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Solution

The fourth proportional to 26,503.10, 39,754.44 and 6,781.60 is: 10,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,503.10 : 39,754.44 = 6,781.60 : x
  2. Step 2: Convert to fraction form
    26,503.10/39,754.44 = 6,781.60/x
  3. Step 3: Cross multiply
    26,503.10x = 39,754.44 × 6,781.60
  4. Step 4: Simplify right side
    26,503.10x = 269,598,710.30
  5. Step 5: Solve for x
    x = 269,598,710.30/26,503.10
  6. Step 6: Final answer
    x = 10,172.35

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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.