Home / 25,771.80-38,649.60-15,896.28

Finding the Fourth Proportional to 25,771.80, 38,649.60 and 15,896.28

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Solution

The fourth proportional to 25,771.80, 38,649.60 and 15,896.28 is: 23,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.80 : 38,649.60 = 15,896.28 : x
  2. Step 2: Convert to fraction form
    25,771.80/38,649.60 = 15,896.28/x
  3. Step 3: Cross multiply
    25,771.80x = 38,649.60 × 15,896.28
  4. Step 4: Simplify right side
    25,771.80x = 614,384,863.49
  5. Step 5: Solve for x
    x = 614,384,863.49/25,771.80
  6. Step 6: Final answer
    x = 23,839.42

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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.