Home / 27,935.30-41,916.60-13,145.68

Finding the Fourth Proportional to 27,935.30, 41,916.60 and 13,145.68

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Solution

The fourth proportional to 27,935.30, 41,916.60 and 13,145.68 is: 19,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.30 : 41,916.60 = 13,145.68 : x
  2. Step 2: Convert to fraction form
    27,935.30/41,916.60 = 13,145.68/x
  3. Step 3: Cross multiply
    27,935.30x = 41,916.60 × 13,145.68
  4. Step 4: Simplify right side
    27,935.30x = 551,022,210.29
  5. Step 5: Solve for x
    x = 551,022,210.29/27,935.30
  6. Step 6: Final answer
    x = 19,724.94

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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.