Home / 36,489.12-54,726.96-16,763.60

Finding the Fourth Proportional to 36,489.12, 54,726.96 and 16,763.60

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Solution

The fourth proportional to 36,489.12, 54,726.96 and 16,763.60 is: 25,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.12 : 54,726.96 = 16,763.60 : x
  2. Step 2: Convert to fraction form
    36,489.12/54,726.96 = 16,763.60/x
  3. Step 3: Cross multiply
    36,489.12x = 54,726.96 × 16,763.60
  4. Step 4: Simplify right side
    36,489.12x = 917,420,866.66
  5. Step 5: Solve for x
    x = 917,420,866.66/36,489.12
  6. Step 6: Final answer
    x = 25,142.31

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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.