Home / 17,278.14-23,886.36-17,120.28

Finding the Fourth Proportional to 17,278.14, 23,886.36 and 17,120.28

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Solution

The fourth proportional to 17,278.14, 23,886.36 and 17,120.28 is: 23,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,278.14 : 23,886.36 = 17,120.28 : x
  2. Step 2: Convert to fraction form
    17,278.14/23,886.36 = 17,120.28/x
  3. Step 3: Cross multiply
    17,278.14x = 23,886.36 × 17,120.28
  4. Step 4: Simplify right side
    17,278.14x = 408,941,171.38
  5. Step 5: Solve for x
    x = 408,941,171.38/17,278.14
  6. Step 6: Final answer
    x = 23,668.12

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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.