Home / 19,269.20-28,905.72-5,229.46

Finding the Fourth Proportional to 19,269.20, 28,905.72 and 5,229.46

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Solution

The fourth proportional to 19,269.20, 28,905.72 and 5,229.46 is: 7,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.20 : 28,905.72 = 5,229.46 : x
  2. Step 2: Convert to fraction form
    19,269.20/28,905.72 = 5,229.46/x
  3. Step 3: Cross multiply
    19,269.20x = 28,905.72 × 5,229.46
  4. Step 4: Simplify right side
    19,269.20x = 151,161,161.98
  5. Step 5: Solve for x
    x = 151,161,161.98/19,269.20
  6. Step 6: Final answer
    x = 7,844.70

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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.