Home / 18,128.97-25,005.27-17,519.34

Finding the Fourth Proportional to 18,128.97, 25,005.27 and 17,519.34

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Solution

The fourth proportional to 18,128.97, 25,005.27 and 17,519.34 is: 24,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128.97 : 25,005.27 = 17,519.34 : x
  2. Step 2: Convert to fraction form
    18,128.97/25,005.27 = 17,519.34/x
  3. Step 3: Cross multiply
    18,128.97x = 25,005.27 × 17,519.34
  4. Step 4: Simplify right side
    18,128.97x = 438,075,826.92
  5. Step 5: Solve for x
    x = 438,075,826.92/18,128.97
  6. Step 6: Final answer
    x = 24,164.41

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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.