Home / 19,167.08-28,769.98-13,626.68

Finding the Fourth Proportional to 19,167.08, 28,769.98 and 13,626.68

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Solution

The fourth proportional to 19,167.08, 28,769.98 and 13,626.68 is: 20,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167.08 : 28,769.98 = 13,626.68 : x
  2. Step 2: Convert to fraction form
    19,167.08/28,769.98 = 13,626.68/x
  3. Step 3: Cross multiply
    19,167.08x = 28,769.98 × 13,626.68
  4. Step 4: Simplify right side
    19,167.08x = 392,039,311.07
  5. Step 5: Solve for x
    x = 392,039,311.07/19,167.08
  6. Step 6: Final answer
    x = 20,453.78

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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.