Home / 28,571.19-39,426.09-16,463.07

Finding the Fourth Proportional to 28,571.19, 39,426.09 and 16,463.07

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Solution

The fourth proportional to 28,571.19, 39,426.09 and 16,463.07 is: 22,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571.19 : 39,426.09 = 16,463.07 : x
  2. Step 2: Convert to fraction form
    28,571.19/39,426.09 = 16,463.07/x
  3. Step 3: Cross multiply
    28,571.19x = 39,426.09 × 16,463.07
  4. Step 4: Simplify right side
    28,571.19x = 649,074,282.37
  5. Step 5: Solve for x
    x = 649,074,282.37/28,571.19
  6. Step 6: Final answer
    x = 22,717.79

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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.