Home / 26,808.96-40,220.64-11,817.36

Finding the Fourth Proportional to 26,808.96, 40,220.64 and 11,817.36

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Solution

The fourth proportional to 26,808.96, 40,220.64 and 11,817.36 is: 17,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,808.96 : 40,220.64 = 11,817.36 : x
  2. Step 2: Convert to fraction form
    26,808.96/40,220.64 = 11,817.36/x
  3. Step 3: Cross multiply
    26,808.96x = 40,220.64 × 11,817.36
  4. Step 4: Simplify right side
    26,808.96x = 475,301,782.31
  5. Step 5: Solve for x
    x = 475,301,782.31/26,808.96
  6. Step 6: Final answer
    x = 17,729.21

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1.5x scale

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.