Home / 28,571.94-39,437.01-17,241.66

Finding the Fourth Proportional to 28,571.94, 39,437.01 and 17,241.66

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Solution

The fourth proportional to 28,571.94, 39,437.01 and 17,241.66 is: 23,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571.94 : 39,437.01 = 17,241.66 : x
  2. Step 2: Convert to fraction form
    28,571.94/39,437.01 = 17,241.66/x
  3. Step 3: Cross multiply
    28,571.94x = 39,437.01 × 17,241.66
  4. Step 4: Simplify right side
    28,571.94x = 679,959,517.84
  5. Step 5: Solve for x
    x = 679,959,517.84/28,571.94
  6. Step 6: Final answer
    x = 23,798.16

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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.