Home / 20,235.12-27,923.04-11,282.24

Finding the Fourth Proportional to 20,235.12, 27,923.04 and 11,282.24

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Solution

The fourth proportional to 20,235.12, 27,923.04 and 11,282.24 is: 15,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.12 : 27,923.04 = 11,282.24 : x
  2. Step 2: Convert to fraction form
    20,235.12/27,923.04 = 11,282.24/x
  3. Step 3: Cross multiply
    20,235.12x = 27,923.04 × 11,282.24
  4. Step 4: Simplify right side
    20,235.12x = 315,034,438.81
  5. Step 5: Solve for x
    x = 315,034,438.81/20,235.12
  6. Step 6: Final answer
    x = 15,568.70

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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.