Home / 20,493.26-28,207.30-14,514.60

Finding the Fourth Proportional to 20,493.26, 28,207.30 and 14,514.60

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Solution

The fourth proportional to 20,493.26, 28,207.30 and 14,514.60 is: 19,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493.26 : 28,207.30 = 14,514.60 : x
  2. Step 2: Convert to fraction form
    20,493.26/28,207.30 = 14,514.60/x
  3. Step 3: Cross multiply
    20,493.26x = 28,207.30 × 14,514.60
  4. Step 4: Simplify right side
    20,493.26x = 409,417,676.58
  5. Step 5: Solve for x
    x = 409,417,676.58/20,493.26
  6. Step 6: Final answer
    x = 19,978.16

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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.