Home / 26,969.43-40,447.66-13,815.03

Finding the Fourth Proportional to 26,969.43, 40,447.66 and 13,815.03

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Solution

The fourth proportional to 26,969.43, 40,447.66 and 13,815.03 is: 20,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,969.43 : 40,447.66 = 13,815.03 : x
  2. Step 2: Convert to fraction form
    26,969.43/40,447.66 = 13,815.03/x
  3. Step 3: Cross multiply
    26,969.43x = 40,447.66 × 13,815.03
  4. Step 4: Simplify right side
    26,969.43x = 558,785,636.33
  5. Step 5: Solve for x
    x = 558,785,636.33/26,969.43
  6. Step 6: Final answer
    x = 20,719.22

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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.