Home / 29,314.44-40,397.94-20,916.36

Finding the Fourth Proportional to 29,314.44, 40,397.94 and 20,916.36

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Solution

The fourth proportional to 29,314.44, 40,397.94 and 20,916.36 is: 28,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,314.44 : 40,397.94 = 20,916.36 : x
  2. Step 2: Convert to fraction form
    29,314.44/40,397.94 = 20,916.36/x
  3. Step 3: Cross multiply
    29,314.44x = 40,397.94 × 20,916.36
  4. Step 4: Simplify right side
    29,314.44x = 844,977,856.30
  5. Step 5: Solve for x
    x = 844,977,856.30/29,314.44
  6. Step 6: Final answer
    x = 28,824.63

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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.