Home / 26,781.60-36,912.48-17,813.09

Finding the Fourth Proportional to 26,781.60, 36,912.48 and 17,813.09

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Solution

The fourth proportional to 26,781.60, 36,912.48 and 17,813.09 is: 24,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.60 : 36,912.48 = 17,813.09 : x
  2. Step 2: Convert to fraction form
    26,781.60/36,912.48 = 17,813.09/x
  3. Step 3: Cross multiply
    26,781.60x = 36,912.48 × 17,813.09
  4. Step 4: Simplify right side
    26,781.60x = 657,525,143.80
  5. Step 5: Solve for x
    x = 657,525,143.80/26,781.60
  6. Step 6: Final answer
    x = 24,551.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.