Home / 25,012.89-34,517.28-13,682.25

Finding the Fourth Proportional to 25,012.89, 34,517.28 and 13,682.25

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Solution

The fourth proportional to 25,012.89, 34,517.28 and 13,682.25 is: 18,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,012.89 : 34,517.28 = 13,682.25 : x
  2. Step 2: Convert to fraction form
    25,012.89/34,517.28 = 13,682.25/x
  3. Step 3: Cross multiply
    25,012.89x = 34,517.28 × 13,682.25
  4. Step 4: Simplify right side
    25,012.89x = 472,274,054.28
  5. Step 5: Solve for x
    x = 472,274,054.28/25,012.89
  6. Step 6: Final answer
    x = 18,881.23

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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.