Home / 20,514.18-28,334.07-14,571.62

Finding the Fourth Proportional to 20,514.18, 28,334.07 and 14,571.62

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Solution

The fourth proportional to 20,514.18, 28,334.07 and 14,571.62 is: 20,126.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.18 : 28,334.07 = 14,571.62 : x
  2. Step 2: Convert to fraction form
    20,514.18/28,334.07 = 14,571.62/x
  3. Step 3: Cross multiply
    20,514.18x = 28,334.07 × 14,571.62
  4. Step 4: Simplify right side
    20,514.18x = 412,873,301.09
  5. Step 5: Solve for x
    x = 412,873,301.09/20,514.18
  6. Step 6: Final answer
    x = 20,126.24

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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.