Home / 18,421.27-27,632.09-14,746.85

Finding the Fourth Proportional to 18,421.27, 27,632.09 and 14,746.85

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Solution

The fourth proportional to 18,421.27, 27,632.09 and 14,746.85 is: 22,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421.27 : 27,632.09 = 14,746.85 : x
  2. Step 2: Convert to fraction form
    18,421.27/27,632.09 = 14,746.85/x
  3. Step 3: Cross multiply
    18,421.27x = 27,632.09 × 14,746.85
  4. Step 4: Simplify right side
    18,421.27x = 407,486,286.42
  5. Step 5: Solve for x
    x = 407,486,286.42/18,421.27
  6. Step 6: Final answer
    x = 22,120.42

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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.