Home / 25,554.49-38,336.58-8,919.28

Finding the Fourth Proportional to 25,554.49, 38,336.58 and 8,919.28

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Solution

The fourth proportional to 25,554.49, 38,336.58 and 8,919.28 is: 13,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,554.49 : 38,336.58 = 8,919.28 : x
  2. Step 2: Convert to fraction form
    25,554.49/38,336.58 = 8,919.28/x
  3. Step 3: Cross multiply
    25,554.49x = 38,336.58 × 8,919.28
  4. Step 4: Simplify right side
    25,554.49x = 341,934,691.26
  5. Step 5: Solve for x
    x = 341,934,691.26/25,554.49
  6. Step 6: Final answer
    x = 13,380.61

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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.