Home / 28,623.40-39,494.82-17,290.60

Finding the Fourth Proportional to 28,623.40, 39,494.82 and 17,290.60

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Solution

The fourth proportional to 28,623.40, 39,494.82 and 17,290.60 is: 23,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,623.40 : 39,494.82 = 17,290.60 : x
  2. Step 2: Convert to fraction form
    28,623.40/39,494.82 = 17,290.60/x
  3. Step 3: Cross multiply
    28,623.40x = 39,494.82 × 17,290.60
  4. Step 4: Simplify right side
    28,623.40x = 682,889,134.69
  5. Step 5: Solve for x
    x = 682,889,134.69/28,623.40
  6. Step 6: Final answer
    x = 23,857.72

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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.