Home / 20,019.57-27,624.89-11,065.64

Finding the Fourth Proportional to 20,019.57, 27,624.89 and 11,065.64

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Solution

The fourth proportional to 20,019.57, 27,624.89 and 11,065.64 is: 15,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.57 : 27,624.89 = 11,065.64 : x
  2. Step 2: Convert to fraction form
    20,019.57/27,624.89 = 11,065.64/x
  3. Step 3: Cross multiply
    20,019.57x = 27,624.89 × 11,065.64
  4. Step 4: Simplify right side
    20,019.57x = 305,686,894.33
  5. Step 5: Solve for x
    x = 305,686,894.33/20,019.57
  6. Step 6: Final answer
    x = 15,269.40

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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.