Home / 17,869.20-26,811.08-14,391.87

Finding the Fourth Proportional to 17,869.20, 26,811.08 and 14,391.87

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Solution

The fourth proportional to 17,869.20, 26,811.08 and 14,391.87 is: 21,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.20 : 26,811.08 = 14,391.87 : x
  2. Step 2: Convert to fraction form
    17,869.20/26,811.08 = 14,391.87/x
  3. Step 3: Cross multiply
    17,869.20x = 26,811.08 × 14,391.87
  4. Step 4: Simplify right side
    17,869.20x = 385,861,577.92
  5. Step 5: Solve for x
    x = 385,861,577.92/17,869.20
  6. Step 6: Final answer
    x = 21,593.67

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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.