Home / 22,188.40-33,331.20-16,382.32

Finding the Fourth Proportional to 22,188.40, 33,331.20 and 16,382.32

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Solution

The fourth proportional to 22,188.40, 33,331.20 and 16,382.32 is: 24,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188.40 : 33,331.20 = 16,382.32 : x
  2. Step 2: Convert to fraction form
    22,188.40/33,331.20 = 16,382.32/x
  3. Step 3: Cross multiply
    22,188.40x = 33,331.20 × 16,382.32
  4. Step 4: Simplify right side
    22,188.40x = 546,042,384.38
  5. Step 5: Solve for x
    x = 546,042,384.38/22,188.40
  6. Step 6: Final answer
    x = 24,609.36

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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.