Home / 20,290.68-30,389.82-14,022.27

Finding the Fourth Proportional to 20,290.68, 30,389.82 and 14,022.27

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Solution

The fourth proportional to 20,290.68, 30,389.82 and 14,022.27 is: 21,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,290.68 : 30,389.82 = 14,022.27 : x
  2. Step 2: Convert to fraction form
    20,290.68/30,389.82 = 14,022.27/x
  3. Step 3: Cross multiply
    20,290.68x = 30,389.82 × 14,022.27
  4. Step 4: Simplify right side
    20,290.68x = 426,134,261.29
  5. Step 5: Solve for x
    x = 426,134,261.29/20,290.68
  6. Step 6: Final answer
    x = 21,001.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.