Home / 20,018.08-27,624.64-11,065.38

Finding the Fourth Proportional to 20,018.08, 27,624.64 and 11,065.38

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Solution

The fourth proportional to 20,018.08, 27,624.64 and 11,065.38 is: 15,270.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.08 : 27,624.64 = 11,065.38 : x
  2. Step 2: Convert to fraction form
    20,018.08/27,624.64 = 11,065.38/x
  3. Step 3: Cross multiply
    20,018.08x = 27,624.64 × 11,065.38
  4. Step 4: Simplify right side
    20,018.08x = 305,677,138.96
  5. Step 5: Solve for x
    x = 305,677,138.96/20,018.08
  6. Step 6: Final answer
    x = 15,270.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.