Home / 25,917.28-35,767.04-15,306.96

Finding the Fourth Proportional to 25,917.28, 35,767.04 and 15,306.96

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Solution

The fourth proportional to 25,917.28, 35,767.04 and 15,306.96 is: 21,124.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,917.28 : 35,767.04 = 15,306.96 : x
  2. Step 2: Convert to fraction form
    25,917.28/35,767.04 = 15,306.96/x
  3. Step 3: Cross multiply
    25,917.28x = 35,767.04 × 15,306.96
  4. Step 4: Simplify right side
    25,917.28x = 547,484,650.60
  5. Step 5: Solve for x
    x = 547,484,650.60/25,917.28
  6. Step 6: Final answer
    x = 21,124.31

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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.