Home / 21,766.56-30,029.24-14,210.48

Finding the Fourth Proportional to 21,766.56, 30,029.24 and 14,210.48

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Solution

The fourth proportional to 21,766.56, 30,029.24 and 14,210.48 is: 19,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.56 : 30,029.24 = 14,210.48 : x
  2. Step 2: Convert to fraction form
    21,766.56/30,029.24 = 14,210.48/x
  3. Step 3: Cross multiply
    21,766.56x = 30,029.24 × 14,210.48
  4. Step 4: Simplify right side
    21,766.56x = 426,729,914.44
  5. Step 5: Solve for x
    x = 426,729,914.44/21,766.56
  6. Step 6: Final answer
    x = 19,604.84

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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.