Home / 17,078.70-23,573.12-15,307.23

Finding the Fourth Proportional to 17,078.70, 23,573.12 and 15,307.23

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Solution

The fourth proportional to 17,078.70, 23,573.12 and 15,307.23 is: 21,128.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.70 : 23,573.12 = 15,307.23 : x
  2. Step 2: Convert to fraction form
    17,078.70/23,573.12 = 15,307.23/x
  3. Step 3: Cross multiply
    17,078.70x = 23,573.12 × 15,307.23
  4. Step 4: Simplify right side
    17,078.70x = 360,839,093.12
  5. Step 5: Solve for x
    x = 360,839,093.12/17,078.70
  6. Step 6: Final answer
    x = 21,128.02

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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.