Home / 28,929.56-39,926.49-16,183.45

Finding the Fourth Proportional to 28,929.56, 39,926.49 and 16,183.45

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Solution

The fourth proportional to 28,929.56, 39,926.49 and 16,183.45 is: 22,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.56 : 39,926.49 = 16,183.45 : x
  2. Step 2: Convert to fraction form
    28,929.56/39,926.49 = 16,183.45/x
  3. Step 3: Cross multiply
    28,929.56x = 39,926.49 × 16,183.45
  4. Step 4: Simplify right side
    28,929.56x = 646,148,354.59
  5. Step 5: Solve for x
    x = 646,148,354.59/28,929.56
  6. Step 6: Final answer
    x = 22,335.23

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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.