Home / 25,364.21-38,001.17-21,628.54

Finding the Fourth Proportional to 25,364.21, 38,001.17 and 21,628.54

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Solution

The fourth proportional to 25,364.21, 38,001.17 and 21,628.54 is: 32,404.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364.21 : 38,001.17 = 21,628.54 : x
  2. Step 2: Convert to fraction form
    25,364.21/38,001.17 = 21,628.54/x
  3. Step 3: Cross multiply
    25,364.21x = 38,001.17 × 21,628.54
  4. Step 4: Simplify right side
    25,364.21x = 821,909,591.55
  5. Step 5: Solve for x
    x = 821,909,591.55/25,364.21
  6. Step 6: Final answer
    x = 32,404.31

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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.