Home / 28,575.24-39,423.96-17,965.68

Finding the Fourth Proportional to 28,575.24, 39,423.96 and 17,965.68

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Solution

The fourth proportional to 28,575.24, 39,423.96 and 17,965.68 is: 24,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.24 : 39,423.96 = 17,965.68 : x
  2. Step 2: Convert to fraction form
    28,575.24/39,423.96 = 17,965.68/x
  3. Step 3: Cross multiply
    28,575.24x = 39,423.96 × 17,965.68
  4. Step 4: Simplify right side
    28,575.24x = 708,278,249.69
  5. Step 5: Solve for x
    x = 708,278,249.69/28,575.24
  6. Step 6: Final answer
    x = 24,786.43

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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.