Home / 25,554.63-38,318.99-11,691.75

Finding the Fourth Proportional to 25,554.63, 38,318.99 and 11,691.75

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Solution

The fourth proportional to 25,554.63, 38,318.99 and 11,691.75 is: 17,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,554.63 : 38,318.99 = 11,691.75 : x
  2. Step 2: Convert to fraction form
    25,554.63/38,318.99 = 11,691.75/x
  3. Step 3: Cross multiply
    25,554.63x = 38,318.99 × 11,691.75
  4. Step 4: Simplify right side
    25,554.63x = 448,015,992.87
  5. Step 5: Solve for x
    x = 448,015,992.87/25,554.63
  6. Step 6: Final answer
    x = 17,531.70

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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.