Home / 19,771.14-27,250.92-14,989.50

Finding the Fourth Proportional to 19,771.14, 27,250.92 and 14,989.50

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Solution

The fourth proportional to 19,771.14, 27,250.92 and 14,989.50 is: 20,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.14 : 27,250.92 = 14,989.50 : x
  2. Step 2: Convert to fraction form
    19,771.14/27,250.92 = 14,989.50/x
  3. Step 3: Cross multiply
    19,771.14x = 27,250.92 × 14,989.50
  4. Step 4: Simplify right side
    19,771.14x = 408,477,665.34
  5. Step 5: Solve for x
    x = 408,477,665.34/19,771.14
  6. Step 6: Final answer
    x = 20,660.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.