Home / 25,815.45-38,673.08-15,115.95

Finding the Fourth Proportional to 25,815.45, 38,673.08 and 15,115.95

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Solution

The fourth proportional to 25,815.45, 38,673.08 and 15,115.95 is: 22,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.45 : 38,673.08 = 15,115.95 : x
  2. Step 2: Convert to fraction form
    25,815.45/38,673.08 = 15,115.95/x
  3. Step 3: Cross multiply
    25,815.45x = 38,673.08 × 15,115.95
  4. Step 4: Simplify right side
    25,815.45x = 584,580,268.05
  5. Step 5: Solve for x
    x = 584,580,268.05/25,815.45
  6. Step 6: Final answer
    x = 22,644.59

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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.