Home / 19,009.62-28,515.24-5,861.70

Finding the Fourth Proportional to 19,009.62, 28,515.24 and 5,861.70

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Solution

The fourth proportional to 19,009.62, 28,515.24 and 5,861.70 is: 8,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.62 : 28,515.24 = 5,861.70 : x
  2. Step 2: Convert to fraction form
    19,009.62/28,515.24 = 5,861.70/x
  3. Step 3: Cross multiply
    19,009.62x = 28,515.24 × 5,861.70
  4. Step 4: Simplify right side
    19,009.62x = 167,147,782.31
  5. Step 5: Solve for x
    x = 167,147,782.31/19,009.62
  6. Step 6: Final answer
    x = 8,792.80

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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.