Home / 29,896.88-41,214.60-20,916.56

Finding the Fourth Proportional to 29,896.88, 41,214.60 and 20,916.56

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Solution

The fourth proportional to 29,896.88, 41,214.60 and 20,916.56 is: 28,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,896.88 : 41,214.60 = 20,916.56 : x
  2. Step 2: Convert to fraction form
    29,896.88/41,214.60 = 20,916.56/x
  3. Step 3: Cross multiply
    29,896.88x = 41,214.60 × 20,916.56
  4. Step 4: Simplify right side
    29,896.88x = 862,067,653.78
  5. Step 5: Solve for x
    x = 862,067,653.78/29,896.88
  6. Step 6: Final answer
    x = 28,834.70

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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.