Home / 25,745.38-38,630.13-9,117.97

Finding the Fourth Proportional to 25,745.38, 38,630.13 and 9,117.97

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Solution

The fourth proportional to 25,745.38, 38,630.13 and 9,117.97 is: 13,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,745.38 : 38,630.13 = 9,117.97 : x
  2. Step 2: Convert to fraction form
    25,745.38/38,630.13 = 9,117.97/x
  3. Step 3: Cross multiply
    25,745.38x = 38,630.13 × 9,117.97
  4. Step 4: Simplify right side
    25,745.38x = 352,228,366.44
  5. Step 5: Solve for x
    x = 352,228,366.44/25,745.38
  6. Step 6: Final answer
    x = 13,681.23

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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.