Home / 17,788.41-24,529.64-15,278.85

Finding the Fourth Proportional to 17,788.41, 24,529.64 and 15,278.85

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Solution

The fourth proportional to 17,788.41, 24,529.64 and 15,278.85 is: 21,069.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,788.41 : 24,529.64 = 15,278.85 : x
  2. Step 2: Convert to fraction form
    17,788.41/24,529.64 = 15,278.85/x
  3. Step 3: Cross multiply
    17,788.41x = 24,529.64 × 15,278.85
  4. Step 4: Simplify right side
    17,788.41x = 374,784,613.72
  5. Step 5: Solve for x
    x = 374,784,613.72/17,788.41
  6. Step 6: Final answer
    x = 21,069.03

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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.