Home / 25,823.54-38,759.61-12,685.34

Finding the Fourth Proportional to 25,823.54, 38,759.61 and 12,685.34

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Solution

The fourth proportional to 25,823.54, 38,759.61 and 12,685.34 is: 19,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,823.54 : 38,759.61 = 12,685.34 : x
  2. Step 2: Convert to fraction form
    25,823.54/38,759.61 = 12,685.34/x
  3. Step 3: Cross multiply
    25,823.54x = 38,759.61 × 12,685.34
  4. Step 4: Simplify right side
    25,823.54x = 491,678,975.59
  5. Step 5: Solve for x
    x = 491,678,975.59/25,823.54
  6. Step 6: Final answer
    x = 19,039.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.