Home / 28,758.36-39,685.02-16,183.92

Finding the Fourth Proportional to 28,758.36, 39,685.02 and 16,183.92

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Solution

The fourth proportional to 28,758.36, 39,685.02 and 16,183.92 is: 22,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758.36 : 39,685.02 = 16,183.92 : x
  2. Step 2: Convert to fraction form
    28,758.36/39,685.02 = 16,183.92/x
  3. Step 3: Cross multiply
    28,758.36x = 39,685.02 × 16,183.92
  4. Step 4: Simplify right side
    28,758.36x = 642,259,188.88
  5. Step 5: Solve for x
    x = 642,259,188.88/28,758.36
  6. Step 6: Final answer
    x = 22,332.96

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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.