Home / 28,571.68-39,429.36-17,241.76

Finding the Fourth Proportional to 28,571.68, 39,429.36 and 17,241.76

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Solution

The fourth proportional to 28,571.68, 39,429.36 and 17,241.76 is: 23,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571.68 : 39,429.36 = 17,241.76 : x
  2. Step 2: Convert to fraction form
    28,571.68/39,429.36 = 17,241.76/x
  3. Step 3: Cross multiply
    28,571.68x = 39,429.36 × 17,241.76
  4. Step 4: Simplify right side
    28,571.68x = 679,831,562.07
  5. Step 5: Solve for x
    x = 679,831,562.07/28,571.68
  6. Step 6: Final answer
    x = 23,793.90

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1.5x scale

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.