Home / 22,008.21-30,345.75-16,042.56

Finding the Fourth Proportional to 22,008.21, 30,345.75 and 16,042.56

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Solution

The fourth proportional to 22,008.21, 30,345.75 and 16,042.56 is: 22,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.21 : 30,345.75 = 16,042.56 : x
  2. Step 2: Convert to fraction form
    22,008.21/30,345.75 = 16,042.56/x
  3. Step 3: Cross multiply
    22,008.21x = 30,345.75 × 16,042.56
  4. Step 4: Simplify right side
    22,008.21x = 486,823,515.12
  5. Step 5: Solve for x
    x = 486,823,515.12/22,008.21
  6. Step 6: Final answer
    x = 22,120.09

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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.