Home / 18,589.60-27,875.44-10,800.64

Finding the Fourth Proportional to 18,589.60, 27,875.44 and 10,800.64

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Solution

The fourth proportional to 18,589.60, 27,875.44 and 10,800.64 is: 16,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.60 : 27,875.44 = 10,800.64 : x
  2. Step 2: Convert to fraction form
    18,589.60/27,875.44 = 10,800.64/x
  3. Step 3: Cross multiply
    18,589.60x = 27,875.44 × 10,800.64
  4. Step 4: Simplify right side
    18,589.60x = 301,072,592.28
  5. Step 5: Solve for x
    x = 301,072,592.28/18,589.60
  6. Step 6: Final answer
    x = 16,195.75

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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.