Home / 17,625.38-26,438.79-4,478.09

Finding the Fourth Proportional to 17,625.38, 26,438.79 and 4,478.09

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Solution

The fourth proportional to 17,625.38, 26,438.79 and 4,478.09 is: 6,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,625.38 : 26,438.79 = 4,478.09 : x
  2. Step 2: Convert to fraction form
    17,625.38/26,438.79 = 4,478.09/x
  3. Step 3: Cross multiply
    17,625.38x = 26,438.79 × 4,478.09
  4. Step 4: Simplify right side
    17,625.38x = 118,395,126.53
  5. Step 5: Solve for x
    x = 118,395,126.53/17,625.38
  6. Step 6: Final answer
    x = 6,717.31

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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.