Home / 19,279.26-28,743.27-18,794.48

Finding the Fourth Proportional to 19,279.26, 28,743.27 and 18,794.48

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Solution

The fourth proportional to 19,279.26, 28,743.27 and 18,794.48 is: 28,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.26 : 28,743.27 = 18,794.48 : x
  2. Step 2: Convert to fraction form
    19,279.26/28,743.27 = 18,794.48/x
  3. Step 3: Cross multiply
    19,279.26x = 28,743.27 × 18,794.48
  4. Step 4: Simplify right side
    19,279.26x = 540,214,598.95
  5. Step 5: Solve for x
    x = 540,214,598.95/19,279.26
  6. Step 6: Final answer
    x = 28,020.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.