Home / 25,809.89-38,711.19-8,277.44

Finding the Fourth Proportional to 25,809.89, 38,711.19 and 8,277.44

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Solution

The fourth proportional to 25,809.89, 38,711.19 and 8,277.44 is: 12,414.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,809.89 : 38,711.19 = 8,277.44 : x
  2. Step 2: Convert to fraction form
    25,809.89/38,711.19 = 8,277.44/x
  3. Step 3: Cross multiply
    25,809.89x = 38,711.19 × 8,277.44
  4. Step 4: Simplify right side
    25,809.89x = 320,429,649.33
  5. Step 5: Solve for x
    x = 320,429,649.33/25,809.89
  6. Step 6: Final answer
    x = 12,414.99

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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.