Home / 20,211.88-27,905.16-14,897.44

Finding the Fourth Proportional to 20,211.88, 27,905.16 and 14,897.44

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Solution

The fourth proportional to 20,211.88, 27,905.16 and 14,897.44 is: 20,567.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211.88 : 27,905.16 = 14,897.44 : x
  2. Step 2: Convert to fraction form
    20,211.88/27,905.16 = 14,897.44/x
  3. Step 3: Cross multiply
    20,211.88x = 27,905.16 × 14,897.44
  4. Step 4: Simplify right side
    20,211.88x = 415,715,446.79
  5. Step 5: Solve for x
    x = 415,715,446.79/20,211.88
  6. Step 6: Final answer
    x = 20,567.88

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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.