Home / 25,676.80-35,391.63-17,175.85

Finding the Fourth Proportional to 25,676.80, 35,391.63 and 17,175.85

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Solution

The fourth proportional to 25,676.80, 35,391.63 and 17,175.85 is: 23,674.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,676.80 : 35,391.63 = 17,175.85 : x
  2. Step 2: Convert to fraction form
    25,676.80/35,391.63 = 17,175.85/x
  3. Step 3: Cross multiply
    25,676.80x = 35,391.63 × 17,175.85
  4. Step 4: Simplify right side
    25,676.80x = 607,881,304.07
  5. Step 5: Solve for x
    x = 607,881,304.07/25,676.80
  6. Step 6: Final answer
    x = 23,674.34

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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.