Home / 19,229.92-28,861.20-7,551.28

Finding the Fourth Proportional to 19,229.92, 28,861.20 and 7,551.28

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Solution

The fourth proportional to 19,229.92, 28,861.20 and 7,551.28 is: 11,333.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.92 : 28,861.20 = 7,551.28 : x
  2. Step 2: Convert to fraction form
    19,229.92/28,861.20 = 7,551.28/x
  3. Step 3: Cross multiply
    19,229.92x = 28,861.20 × 7,551.28
  4. Step 4: Simplify right side
    19,229.92x = 217,939,002.34
  5. Step 5: Solve for x
    x = 217,939,002.34/19,229.92
  6. Step 6: Final answer
    x = 11,333.33

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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.