Home / 25,365.40-35,016.45-16,881.64

Finding the Fourth Proportional to 25,365.40, 35,016.45 and 16,881.64

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Solution

The fourth proportional to 25,365.40, 35,016.45 and 16,881.64 is: 23,304.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,365.40 : 35,016.45 = 16,881.64 : x
  2. Step 2: Convert to fraction form
    25,365.40/35,016.45 = 16,881.64/x
  3. Step 3: Cross multiply
    25,365.40x = 35,016.45 × 16,881.64
  4. Step 4: Simplify right side
    25,365.40x = 591,135,102.98
  5. Step 5: Solve for x
    x = 591,135,102.98/25,365.40
  6. Step 6: Final answer
    x = 23,304.78

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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.