Home / 20,216.88-27,897.36-14,914.64

Finding the Fourth Proportional to 20,216.88, 27,897.36 and 14,914.64

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Solution

The fourth proportional to 20,216.88, 27,897.36 and 14,914.64 is: 20,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216.88 : 27,897.36 = 14,914.64 : x
  2. Step 2: Convert to fraction form
    20,216.88/27,897.36 = 14,914.64/x
  3. Step 3: Cross multiply
    20,216.88x = 27,897.36 × 14,914.64
  4. Step 4: Simplify right side
    20,216.88x = 416,079,081.35
  5. Step 5: Solve for x
    x = 416,079,081.35/20,216.88
  6. Step 6: Final answer
    x = 20,580.78

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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.