Home / 20,326.20-28,035.09-14,351.64

Finding the Fourth Proportional to 20,326.20, 28,035.09 and 14,351.64

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Solution

The fourth proportional to 20,326.20, 28,035.09 and 14,351.64 is: 19,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.20 : 28,035.09 = 14,351.64 : x
  2. Step 2: Convert to fraction form
    20,326.20/28,035.09 = 14,351.64/x
  3. Step 3: Cross multiply
    20,326.20x = 28,035.09 × 14,351.64
  4. Step 4: Simplify right side
    20,326.20x = 402,349,519.05
  5. Step 5: Solve for x
    x = 402,349,519.05/20,326.20
  6. Step 6: Final answer
    x = 19,794.63

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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.