Home / 25,340.28-38,016.60-17,858.43

Finding the Fourth Proportional to 25,340.28, 38,016.60 and 17,858.43

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Solution

The fourth proportional to 25,340.28, 38,016.60 and 17,858.43 is: 26,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340.28 : 38,016.60 = 17,858.43 : x
  2. Step 2: Convert to fraction form
    25,340.28/38,016.60 = 17,858.43/x
  3. Step 3: Cross multiply
    25,340.28x = 38,016.60 × 17,858.43
  4. Step 4: Simplify right side
    25,340.28x = 678,916,789.94
  5. Step 5: Solve for x
    x = 678,916,789.94/25,340.28
  6. Step 6: Final answer
    x = 26,792.00

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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.