Home / 27,900.27-38,510.90-16,571.61

Finding the Fourth Proportional to 27,900.27, 38,510.90 and 16,571.61

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Solution

The fourth proportional to 27,900.27, 38,510.90 and 16,571.61 is: 22,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.27 : 38,510.90 = 16,571.61 : x
  2. Step 2: Convert to fraction form
    27,900.27/38,510.90 = 16,571.61/x
  3. Step 3: Cross multiply
    27,900.27x = 38,510.90 × 16,571.61
  4. Step 4: Simplify right side
    27,900.27x = 638,187,615.55
  5. Step 5: Solve for x
    x = 638,187,615.55/27,900.27
  6. Step 6: Final answer
    x = 22,873.89

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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.