Home / 25,766.95-38,641.32-12,256.54

Finding the Fourth Proportional to 25,766.95, 38,641.32 and 12,256.54

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Solution

The fourth proportional to 25,766.95, 38,641.32 and 12,256.54 is: 18,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,766.95 : 38,641.32 = 12,256.54 : x
  2. Step 2: Convert to fraction form
    25,766.95/38,641.32 = 12,256.54/x
  3. Step 3: Cross multiply
    25,766.95x = 38,641.32 × 12,256.54
  4. Step 4: Simplify right side
    25,766.95x = 473,608,884.23
  5. Step 5: Solve for x
    x = 473,608,884.23/25,766.95
  6. Step 6: Final answer
    x = 18,380.48

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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.