Home / 22,745.28-34,125.66-13,878.36

Finding the Fourth Proportional to 22,745.28, 34,125.66 and 13,878.36

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Solution

The fourth proportional to 22,745.28, 34,125.66 and 13,878.36 is: 20,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,745.28 : 34,125.66 = 13,878.36 : x
  2. Step 2: Convert to fraction form
    22,745.28/34,125.66 = 13,878.36/x
  3. Step 3: Cross multiply
    22,745.28x = 34,125.66 × 13,878.36
  4. Step 4: Simplify right side
    22,745.28x = 473,608,194.72
  5. Step 5: Solve for x
    x = 473,608,194.72/22,745.28
  6. Step 6: Final answer
    x = 20,822.26

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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.