Home / 20,484.38-30,732.35-18,532.49

Finding the Fourth Proportional to 20,484.38, 30,732.35 and 18,532.49

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Solution

The fourth proportional to 20,484.38, 30,732.35 and 18,532.49 is: 27,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484.38 : 30,732.35 = 18,532.49 : x
  2. Step 2: Convert to fraction form
    20,484.38/30,732.35 = 18,532.49/x
  3. Step 3: Cross multiply
    20,484.38x = 30,732.35 × 18,532.49
  4. Step 4: Simplify right side
    20,484.38x = 569,546,722.73
  5. Step 5: Solve for x
    x = 569,546,722.73/20,484.38
  6. Step 6: Final answer
    x = 27,803.95

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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.