Home / 17,268.87-25,897.80-7,405.50

Finding the Fourth Proportional to 17,268.87, 25,897.80 and 7,405.50

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Solution

The fourth proportional to 17,268.87, 25,897.80 and 7,405.50 is: 11,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,268.87 : 25,897.80 = 7,405.50 : x
  2. Step 2: Convert to fraction form
    17,268.87/25,897.80 = 7,405.50/x
  3. Step 3: Cross multiply
    17,268.87x = 25,897.80 × 7,405.50
  4. Step 4: Simplify right side
    17,268.87x = 191,786,157.90
  5. Step 5: Solve for x
    x = 191,786,157.90/17,268.87
  6. Step 6: Final answer
    x = 11,105.89

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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.