Home / 26,419.80-39,657.37-13,936.47

Finding the Fourth Proportional to 26,419.80, 39,657.37 and 13,936.47

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Solution

The fourth proportional to 26,419.80, 39,657.37 and 13,936.47 is: 20,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419.80 : 39,657.37 = 13,936.47 : x
  2. Step 2: Convert to fraction form
    26,419.80/39,657.37 = 13,936.47/x
  3. Step 3: Cross multiply
    26,419.80x = 39,657.37 × 13,936.47
  4. Step 4: Simplify right side
    26,419.80x = 552,683,684.82
  5. Step 5: Solve for x
    x = 552,683,684.82/26,419.80
  6. Step 6: Final answer
    x = 20,919.30

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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.