Home / 28,322.13-42,490.83-25,223.43

Finding the Fourth Proportional to 28,322.13, 42,490.83 and 25,223.43

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Solution

The fourth proportional to 28,322.13, 42,490.83 and 25,223.43 is: 37,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.13 : 42,490.83 = 25,223.43 : x
  2. Step 2: Convert to fraction form
    28,322.13/42,490.83 = 25,223.43/x
  3. Step 3: Cross multiply
    28,322.13x = 42,490.83 × 25,223.43
  4. Step 4: Simplify right side
    28,322.13x = 1,071,764,229.68
  5. Step 5: Solve for x
    x = 1,071,764,229.68/28,322.13
  6. Step 6: Final answer
    x = 37,841.93

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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.