Home / 26,233.80-39,350.70-13,111.80

Finding the Fourth Proportional to 26,233.80, 39,350.70 and 13,111.80

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Solution

The fourth proportional to 26,233.80, 39,350.70 and 13,111.80 is: 19,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,233.80 : 39,350.70 = 13,111.80 : x
  2. Step 2: Convert to fraction form
    26,233.80/39,350.70 = 13,111.80/x
  3. Step 3: Cross multiply
    26,233.80x = 39,350.70 × 13,111.80
  4. Step 4: Simplify right side
    26,233.80x = 515,958,508.26
  5. Step 5: Solve for x
    x = 515,958,508.26/26,233.80
  6. Step 6: Final answer
    x = 19,667.70

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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.