Home / 19,265.47-28,887.26-11,479.75

Finding the Fourth Proportional to 19,265.47, 28,887.26 and 11,479.75

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Solution

The fourth proportional to 19,265.47, 28,887.26 and 11,479.75 is: 17,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.47 : 28,887.26 = 11,479.75 : x
  2. Step 2: Convert to fraction form
    19,265.47/28,887.26 = 11,479.75/x
  3. Step 3: Cross multiply
    19,265.47x = 28,887.26 × 11,479.75
  4. Step 4: Simplify right side
    19,265.47x = 331,618,393.37
  5. Step 5: Solve for x
    x = 331,618,393.37/19,265.47
  6. Step 6: Final answer
    x = 17,213.10

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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.