Home / 18,575.10-27,865.05-5,427.24

Finding the Fourth Proportional to 18,575.10, 27,865.05 and 5,427.24

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Solution

The fourth proportional to 18,575.10, 27,865.05 and 5,427.24 is: 8,141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.10 : 27,865.05 = 5,427.24 : x
  2. Step 2: Convert to fraction form
    18,575.10/27,865.05 = 5,427.24/x
  3. Step 3: Cross multiply
    18,575.10x = 27,865.05 × 5,427.24
  4. Step 4: Simplify right side
    18,575.10x = 151,230,313.96
  5. Step 5: Solve for x
    x = 151,230,313.96/18,575.10
  6. Step 6: Final answer
    x = 8,141.56

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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.