Home / 18,035.72-24,861.30-17,685.80

Finding the Fourth Proportional to 18,035.72, 24,861.30 and 17,685.80

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Solution

The fourth proportional to 18,035.72, 24,861.30 and 17,685.80 is: 24,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.72 : 24,861.30 = 17,685.80 : x
  2. Step 2: Convert to fraction form
    18,035.72/24,861.30 = 17,685.80/x
  3. Step 3: Cross multiply
    18,035.72x = 24,861.30 × 17,685.80
  4. Step 4: Simplify right side
    18,035.72x = 439,691,979.54
  5. Step 5: Solve for x
    x = 439,691,979.54/18,035.72
  6. Step 6: Final answer
    x = 24,378.95

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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.