Home / 27,361.05-40,916.50-19,889.71

Finding the Fourth Proportional to 27,361.05, 40,916.50 and 19,889.71

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Solution

The fourth proportional to 27,361.05, 40,916.50 and 19,889.71 is: 29,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,361.05 : 40,916.50 = 19,889.71 : x
  2. Step 2: Convert to fraction form
    27,361.05/40,916.50 = 19,889.71/x
  3. Step 3: Cross multiply
    27,361.05x = 40,916.50 × 19,889.71
  4. Step 4: Simplify right side
    27,361.05x = 813,817,167.20
  5. Step 5: Solve for x
    x = 813,817,167.20/27,361.05
  6. Step 6: Final answer
    x = 29,743.64

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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.