Home / 18,056.20-27,084.30-16,443.40

Finding the Fourth Proportional to 18,056.20, 27,084.30 and 16,443.40

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Solution

The fourth proportional to 18,056.20, 27,084.30 and 16,443.40 is: 24,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.20 : 27,084.30 = 16,443.40 : x
  2. Step 2: Convert to fraction form
    18,056.20/27,084.30 = 16,443.40/x
  3. Step 3: Cross multiply
    18,056.20x = 27,084.30 × 16,443.40
  4. Step 4: Simplify right side
    18,056.20x = 445,357,978.62
  5. Step 5: Solve for x
    x = 445,357,978.62/18,056.20
  6. Step 6: Final answer
    x = 24,665.10

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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.