Home / 26,503.18-39,756.13-6,781.91

Finding the Fourth Proportional to 26,503.18, 39,756.13 and 6,781.91

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Solution

The fourth proportional to 26,503.18, 39,756.13 and 6,781.91 is: 10,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,503.18 : 39,756.13 = 6,781.91 : x
  2. Step 2: Convert to fraction form
    26,503.18/39,756.13 = 6,781.91/x
  3. Step 3: Cross multiply
    26,503.18x = 39,756.13 × 6,781.91
  4. Step 4: Simplify right side
    26,503.18x = 269,622,279.87
  5. Step 5: Solve for x
    x = 269,622,279.87/26,503.18
  6. Step 6: Final answer
    x = 10,173.21

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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.