Home / 28,674.24-39,571.20-16,098.72

Finding the Fourth Proportional to 28,674.24, 39,571.20 and 16,098.72

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Solution

The fourth proportional to 28,674.24, 39,571.20 and 16,098.72 is: 22,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,674.24 : 39,571.20 = 16,098.72 : x
  2. Step 2: Convert to fraction form
    28,674.24/39,571.20 = 16,098.72/x
  3. Step 3: Cross multiply
    28,674.24x = 39,571.20 × 16,098.72
  4. Step 4: Simplify right side
    28,674.24x = 637,045,668.86
  5. Step 5: Solve for x
    x = 637,045,668.86/28,674.24
  6. Step 6: Final answer
    x = 22,216.65

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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.