Home / 26,282.28-39,434.32-15,772.52

Finding the Fourth Proportional to 26,282.28, 39,434.32 and 15,772.52

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Solution

The fourth proportional to 26,282.28, 39,434.32 and 15,772.52 is: 23,665.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,282.28 : 39,434.32 = 15,772.52 : x
  2. Step 2: Convert to fraction form
    26,282.28/39,434.32 = 15,772.52/x
  3. Step 3: Cross multiply
    26,282.28x = 39,434.32 × 15,772.52
  4. Step 4: Simplify right side
    26,282.28x = 621,978,600.89
  5. Step 5: Solve for x
    x = 621,978,600.89/26,282.28
  6. Step 6: Final answer
    x = 23,665.32

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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.