Home / 21,494.41-32,275.32-18,205.77

Finding the Fourth Proportional to 21,494.41, 32,275.32 and 18,205.77

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Solution

The fourth proportional to 21,494.41, 32,275.32 and 18,205.77 is: 27,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,494.41 : 32,275.32 = 18,205.77 : x
  2. Step 2: Convert to fraction form
    21,494.41/32,275.32 = 18,205.77/x
  3. Step 3: Cross multiply
    21,494.41x = 32,275.32 × 18,205.77
  4. Step 4: Simplify right side
    21,494.41x = 587,597,052.60
  5. Step 5: Solve for x
    x = 587,597,052.60/21,494.41
  6. Step 6: Final answer
    x = 27,337.20

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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.