Home / 22,421.20-33,588.06-13,634.32

Finding the Fourth Proportional to 22,421.20, 33,588.06 and 13,634.32

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Solution

The fourth proportional to 22,421.20, 33,588.06 and 13,634.32 is: 20,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.20 : 33,588.06 = 13,634.32 : x
  2. Step 2: Convert to fraction form
    22,421.20/33,588.06 = 13,634.32/x
  3. Step 3: Cross multiply
    22,421.20x = 33,588.06 × 13,634.32
  4. Step 4: Simplify right side
    22,421.20x = 457,950,358.22
  5. Step 5: Solve for x
    x = 457,950,358.22/22,421.20
  6. Step 6: Final answer
    x = 20,424.88

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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.