Home / 25,135.75-34,687.34-13,957.75

Finding the Fourth Proportional to 25,135.75, 34,687.34 and 13,957.75

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Solution

The fourth proportional to 25,135.75, 34,687.34 and 13,957.75 is: 19,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,135.75 : 34,687.34 = 13,957.75 : x
  2. Step 2: Convert to fraction form
    25,135.75/34,687.34 = 13,957.75/x
  3. Step 3: Cross multiply
    25,135.75x = 34,687.34 × 13,957.75
  4. Step 4: Simplify right side
    25,135.75x = 484,157,219.89
  5. Step 5: Solve for x
    x = 484,157,219.89/25,135.75
  6. Step 6: Final answer
    x = 19,261.70

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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.