Home / 25,554.36-38,336.41-8,919.14

Finding the Fourth Proportional to 25,554.36, 38,336.41 and 8,919.14

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Solution

The fourth proportional to 25,554.36, 38,336.41 and 8,919.14 is: 13,380.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,554.36 : 38,336.41 = 8,919.14 : x
  2. Step 2: Convert to fraction form
    25,554.36/38,336.41 = 8,919.14/x
  3. Step 3: Cross multiply
    25,554.36x = 38,336.41 × 8,919.14
  4. Step 4: Simplify right side
    25,554.36x = 341,927,785.59
  5. Step 5: Solve for x
    x = 341,927,785.59/25,554.36
  6. Step 6: Final answer
    x = 13,380.41

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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.