Home / 28,440.79-39,241.87-17,107.27

Finding the Fourth Proportional to 28,440.79, 39,241.87 and 17,107.27

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Solution

The fourth proportional to 28,440.79, 39,241.87 and 17,107.27 is: 23,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,440.79 : 39,241.87 = 17,107.27 : x
  2. Step 2: Convert to fraction form
    28,440.79/39,241.87 = 17,107.27/x
  3. Step 3: Cross multiply
    28,440.79x = 39,241.87 × 17,107.27
  4. Step 4: Simplify right side
    28,440.79x = 671,321,265.39
  5. Step 5: Solve for x
    x = 671,321,265.39/28,440.79
  6. Step 6: Final answer
    x = 23,604.17

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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.