Home / 25,403.73-34,975.24-21,811.58

Finding the Fourth Proportional to 25,403.73, 34,975.24 and 21,811.58

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Solution

The fourth proportional to 25,403.73, 34,975.24 and 21,811.58 is: 30,029.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,403.73 : 34,975.24 = 21,811.58 : x
  2. Step 2: Convert to fraction form
    25,403.73/34,975.24 = 21,811.58/x
  3. Step 3: Cross multiply
    25,403.73x = 34,975.24 × 21,811.58
  4. Step 4: Simplify right side
    25,403.73x = 762,865,269.72
  5. Step 5: Solve for x
    x = 762,865,269.72/25,403.73
  6. Step 6: Final answer
    x = 30,029.66

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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.