Home / 20,369.40-30,552.12-16,845.60

Finding the Fourth Proportional to 20,369.40, 30,552.12 and 16,845.60

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Solution

The fourth proportional to 20,369.40, 30,552.12 and 16,845.60 is: 25,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,369.40 : 30,552.12 = 16,845.60 : x
  2. Step 2: Convert to fraction form
    20,369.40/30,552.12 = 16,845.60/x
  3. Step 3: Cross multiply
    20,369.40x = 30,552.12 × 16,845.60
  4. Step 4: Simplify right side
    20,369.40x = 514,668,792.67
  5. Step 5: Solve for x
    x = 514,668,792.67/20,369.40
  6. Step 6: Final answer
    x = 25,266.76

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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.