Home / 22,532.95-31,099.26-13,581.82

Finding the Fourth Proportional to 22,532.95, 31,099.26 and 13,581.82

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Solution

The fourth proportional to 22,532.95, 31,099.26 and 13,581.82 is: 18,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,532.95 : 31,099.26 = 13,581.82 : x
  2. Step 2: Convert to fraction form
    22,532.95/31,099.26 = 13,581.82/x
  3. Step 3: Cross multiply
    22,532.95x = 31,099.26 × 13,581.82
  4. Step 4: Simplify right side
    22,532.95x = 422,384,551.45
  5. Step 5: Solve for x
    x = 422,384,551.45/22,532.95
  6. Step 6: Final answer
    x = 18,745.20

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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.