Home / 40,155.72-55,440.92-25,822

Finding the Fourth Proportional to 40,155.72, 55,440.92 and 25,822

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Solution

The fourth proportional to 40,155.72, 55,440.92 and 25,822 is: 35,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.72 : 55,440.92 = 25,822 : x
  2. Step 2: Convert to fraction form
    40,155.72/55,440.92 = 25,822/x
  3. Step 3: Cross multiply
    40,155.72x = 55,440.92 × 25,822
  4. Step 4: Simplify right side
    40,155.72x = 1,431,595,436.24
  5. Step 5: Solve for x
    x = 1,431,595,436.24/40,155.72
  6. Step 6: Final answer
    x = 35,651.10

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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.