Home / 18,949.26-28,425.93-15,470.55

Finding the Fourth Proportional to 18,949.26, 28,425.93 and 15,470.55

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Solution

The fourth proportional to 18,949.26, 28,425.93 and 15,470.55 is: 23,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.26 : 28,425.93 = 15,470.55 : x
  2. Step 2: Convert to fraction form
    18,949.26/28,425.93 = 15,470.55/x
  3. Step 3: Cross multiply
    18,949.26x = 28,425.93 × 15,470.55
  4. Step 4: Simplify right side
    18,949.26x = 439,764,771.36
  5. Step 5: Solve for x
    x = 439,764,771.36/18,949.26
  6. Step 6: Final answer
    x = 23,207.49

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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.