Home / 25,485.84-35,173.71-15,414.36

Finding the Fourth Proportional to 25,485.84, 35,173.71 and 15,414.36

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Solution

The fourth proportional to 25,485.84, 35,173.71 and 15,414.36 is: 21,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.84 : 35,173.71 = 15,414.36 : x
  2. Step 2: Convert to fraction form
    25,485.84/35,173.71 = 15,414.36/x
  3. Step 3: Cross multiply
    25,485.84x = 35,173.71 × 15,414.36
  4. Step 4: Simplify right side
    25,485.84x = 542,180,228.48
  5. Step 5: Solve for x
    x = 542,180,228.48/25,485.84
  6. Step 6: Final answer
    x = 21,273.78

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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.