Home / 21,244.44-29,289.78-13,677.24

Finding the Fourth Proportional to 21,244.44, 29,289.78 and 13,677.24

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Solution

The fourth proportional to 21,244.44, 29,289.78 and 13,677.24 is: 18,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.44 : 29,289.78 = 13,677.24 : x
  2. Step 2: Convert to fraction form
    21,244.44/29,289.78 = 13,677.24/x
  3. Step 3: Cross multiply
    21,244.44x = 29,289.78 × 13,677.24
  4. Step 4: Simplify right side
    21,244.44x = 400,603,350.61
  5. Step 5: Solve for x
    x = 400,603,350.61/21,244.44
  6. Step 6: Final answer
    x = 18,856.86

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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.