Home / 19,265.20-28,897.80-17,321.20

Finding the Fourth Proportional to 19,265.20, 28,897.80 and 17,321.20

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Solution

The fourth proportional to 19,265.20, 28,897.80 and 17,321.20 is: 25,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.20 : 28,897.80 = 17,321.20 : x
  2. Step 2: Convert to fraction form
    19,265.20/28,897.80 = 17,321.20/x
  3. Step 3: Cross multiply
    19,265.20x = 28,897.80 × 17,321.20
  4. Step 4: Simplify right side
    19,265.20x = 500,544,573.36
  5. Step 5: Solve for x
    x = 500,544,573.36/19,265.20
  6. Step 6: Final answer
    x = 25,981.80

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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.