Home / 17,139.40-25,732.89-8,825.36

Finding the Fourth Proportional to 17,139.40, 25,732.89 and 8,825.36

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Solution

The fourth proportional to 17,139.40, 25,732.89 and 8,825.36 is: 13,250.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.40 : 25,732.89 = 8,825.36 : x
  2. Step 2: Convert to fraction form
    17,139.40/25,732.89 = 8,825.36/x
  3. Step 3: Cross multiply
    17,139.40x = 25,732.89 × 8,825.36
  4. Step 4: Simplify right side
    17,139.40x = 227,101,889.43
  5. Step 5: Solve for x
    x = 227,101,889.43/17,139.40
  6. Step 6: Final answer
    x = 13,250.28

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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.