Home / 25,186.97-34,740.33-21,823.81

Finding the Fourth Proportional to 25,186.97, 34,740.33 and 21,823.81

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Solution

The fourth proportional to 25,186.97, 34,740.33 and 21,823.81 is: 30,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,186.97 : 34,740.33 = 21,823.81 : x
  2. Step 2: Convert to fraction form
    25,186.97/34,740.33 = 21,823.81/x
  3. Step 3: Cross multiply
    25,186.97x = 34,740.33 × 21,823.81
  4. Step 4: Simplify right side
    25,186.97x = 758,166,361.26
  5. Step 5: Solve for x
    x = 758,166,361.26/25,186.97
  6. Step 6: Final answer
    x = 30,101.53

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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.