Home / 25,279.45-34,885.41-13,949.05

Finding the Fourth Proportional to 25,279.45, 34,885.41 and 13,949.05

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Solution

The fourth proportional to 25,279.45, 34,885.41 and 13,949.05 is: 19,249.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.45 : 34,885.41 = 13,949.05 : x
  2. Step 2: Convert to fraction form
    25,279.45/34,885.41 = 13,949.05/x
  3. Step 3: Cross multiply
    25,279.45x = 34,885.41 × 13,949.05
  4. Step 4: Simplify right side
    25,279.45x = 486,618,328.36
  5. Step 5: Solve for x
    x = 486,618,328.36/25,279.45
  6. Step 6: Final answer
    x = 19,249.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.