Home / 26,811.23-36,954.90-18,839.61

Finding the Fourth Proportional to 26,811.23, 36,954.90 and 18,839.61

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Solution

The fourth proportional to 26,811.23, 36,954.90 and 18,839.61 is: 25,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,811.23 : 36,954.90 = 18,839.61 : x
  2. Step 2: Convert to fraction form
    26,811.23/36,954.90 = 18,839.61/x
  3. Step 3: Cross multiply
    26,811.23x = 36,954.90 × 18,839.61
  4. Step 4: Simplify right side
    26,811.23x = 696,215,903.59
  5. Step 5: Solve for x
    x = 696,215,903.59/26,811.23
  6. Step 6: Final answer
    x = 25,967.33

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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.