Home / 28,658.28-39,544.02-16,080.60

Finding the Fourth Proportional to 28,658.28, 39,544.02 and 16,080.60

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Solution

The fourth proportional to 28,658.28, 39,544.02 and 16,080.60 is: 22,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,658.28 : 39,544.02 = 16,080.60 : x
  2. Step 2: Convert to fraction form
    28,658.28/39,544.02 = 16,080.60/x
  3. Step 3: Cross multiply
    28,658.28x = 39,544.02 × 16,080.60
  4. Step 4: Simplify right side
    28,658.28x = 635,891,568.01
  5. Step 5: Solve for x
    x = 635,891,568.01/28,658.28
  6. Step 6: Final answer
    x = 22,188.76

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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.