Home / 20,690.37-28,526.03-15,033.33

Finding the Fourth Proportional to 20,690.37, 28,526.03 and 15,033.33

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Solution

The fourth proportional to 20,690.37, 28,526.03 and 15,033.33 is: 20,726.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,690.37 : 28,526.03 = 15,033.33 : x
  2. Step 2: Convert to fraction form
    20,690.37/28,526.03 = 15,033.33/x
  3. Step 3: Cross multiply
    20,690.37x = 28,526.03 × 15,033.33
  4. Step 4: Simplify right side
    20,690.37x = 428,841,147.41
  5. Step 5: Solve for x
    x = 428,841,147.41/20,690.37
  6. Step 6: Final answer
    x = 20,726.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.