Home / 36,421.24-54,653.12-15,360

Finding the Fourth Proportional to 36,421.24, 54,653.12 and 15,360

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Solution

The fourth proportional to 36,421.24, 54,653.12 and 15,360 is: 23,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,421.24 : 54,653.12 = 15,360 : x
  2. Step 2: Convert to fraction form
    36,421.24/54,653.12 = 15,360/x
  3. Step 3: Cross multiply
    36,421.24x = 54,653.12 × 15,360
  4. Step 4: Simplify right side
    36,421.24x = 839,471,923.20
  5. Step 5: Solve for x
    x = 839,471,923.20/36,421.24
  6. Step 6: Final answer
    x = 23,048.97

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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.