Home / 20,125.38-27,763.37-14,160.34

Finding the Fourth Proportional to 20,125.38, 27,763.37 and 14,160.34

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Solution

The fourth proportional to 20,125.38, 27,763.37 and 14,160.34 is: 19,534.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125.38 : 27,763.37 = 14,160.34 : x
  2. Step 2: Convert to fraction form
    20,125.38/27,763.37 = 14,160.34/x
  3. Step 3: Cross multiply
    20,125.38x = 27,763.37 × 14,160.34
  4. Step 4: Simplify right side
    20,125.38x = 393,138,619.93
  5. Step 5: Solve for x
    x = 393,138,619.93/20,125.38
  6. Step 6: Final answer
    x = 19,534.47

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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.