Home / 18,288.76-27,423.33-5,805.40

Finding the Fourth Proportional to 18,288.76, 27,423.33 and 5,805.40

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Solution

The fourth proportional to 18,288.76, 27,423.33 and 5,805.40 is: 8,704.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.76 : 27,423.33 = 5,805.40 : x
  2. Step 2: Convert to fraction form
    18,288.76/27,423.33 = 5,805.40/x
  3. Step 3: Cross multiply
    18,288.76x = 27,423.33 × 5,805.40
  4. Step 4: Simplify right side
    18,288.76x = 159,203,399.98
  5. Step 5: Solve for x
    x = 159,203,399.98/18,288.76
  6. Step 6: Final answer
    x = 8,704.99

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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.