Home / 27,140.57-40,773.23-19,262.65

Finding the Fourth Proportional to 27,140.57, 40,773.23 and 19,262.65

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Solution

The fourth proportional to 27,140.57, 40,773.23 and 19,262.65 is: 28,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.57 : 40,773.23 = 19,262.65 : x
  2. Step 2: Convert to fraction form
    27,140.57/40,773.23 = 19,262.65/x
  3. Step 3: Cross multiply
    27,140.57x = 40,773.23 × 19,262.65
  4. Step 4: Simplify right side
    27,140.57x = 785,400,158.68
  5. Step 5: Solve for x
    x = 785,400,158.68/27,140.57
  6. Step 6: Final answer
    x = 28,938.23

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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.