Home / 25,767.80-38,643.60-15,892.28

Finding the Fourth Proportional to 25,767.80, 38,643.60 and 15,892.28

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Solution

The fourth proportional to 25,767.80, 38,643.60 and 15,892.28 is: 23,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,767.80 : 38,643.60 = 15,892.28 : x
  2. Step 2: Convert to fraction form
    25,767.80/38,643.60 = 15,892.28/x
  3. Step 3: Cross multiply
    25,767.80x = 38,643.60 × 15,892.28
  4. Step 4: Simplify right side
    25,767.80x = 614,134,911.41
  5. Step 5: Solve for x
    x = 614,134,911.41/25,767.80
  6. Step 6: Final answer
    x = 23,833.42

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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.