Home / 19,725.27-27,219.85-10,771.05

Finding the Fourth Proportional to 19,725.27, 27,219.85 and 10,771.05

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Solution

The fourth proportional to 19,725.27, 27,219.85 and 10,771.05 is: 14,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.27 : 27,219.85 = 10,771.05 : x
  2. Step 2: Convert to fraction form
    19,725.27/27,219.85 = 10,771.05/x
  3. Step 3: Cross multiply
    19,725.27x = 27,219.85 × 10,771.05
  4. Step 4: Simplify right side
    19,725.27x = 293,186,365.34
  5. Step 5: Solve for x
    x = 293,186,365.34/19,725.27
  6. Step 6: Final answer
    x = 14,863.49

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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.