Home / 18,423.72-27,625.05-16,856.37

Finding the Fourth Proportional to 18,423.72, 27,625.05 and 16,856.37

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Solution

The fourth proportional to 18,423.72, 27,625.05 and 16,856.37 is: 25,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.72 : 27,625.05 = 16,856.37 : x
  2. Step 2: Convert to fraction form
    18,423.72/27,625.05 = 16,856.37/x
  3. Step 3: Cross multiply
    18,423.72x = 27,625.05 × 16,856.37
  4. Step 4: Simplify right side
    18,423.72x = 465,658,064.07
  5. Step 5: Solve for x
    x = 465,658,064.07/18,423.72
  6. Step 6: Final answer
    x = 25,274.92

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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.