Home / 25,235.27-34,824.21-13,905.82

Finding the Fourth Proportional to 25,235.27, 34,824.21 and 13,905.82

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Solution

The fourth proportional to 25,235.27, 34,824.21 and 13,905.82 is: 19,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,235.27 : 34,824.21 = 13,905.82 : x
  2. Step 2: Convert to fraction form
    25,235.27/34,824.21 = 13,905.82/x
  3. Step 3: Cross multiply
    25,235.27x = 34,824.21 × 13,905.82
  4. Step 4: Simplify right side
    25,235.27x = 484,259,069.62
  5. Step 5: Solve for x
    x = 484,259,069.62/25,235.27
  6. Step 6: Final answer
    x = 19,189.77

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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.