Home / 38,655.20-57,939.60-16,464.80

Finding the Fourth Proportional to 38,655.20, 57,939.60 and 16,464.80

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Solution

The fourth proportional to 38,655.20, 57,939.60 and 16,464.80 is: 24,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,655.20 : 57,939.60 = 16,464.80 : x
  2. Step 2: Convert to fraction form
    38,655.20/57,939.60 = 16,464.80/x
  3. Step 3: Cross multiply
    38,655.20x = 57,939.60 × 16,464.80
  4. Step 4: Simplify right side
    38,655.20x = 953,963,926.08
  5. Step 5: Solve for x
    x = 953,963,926.08/38,655.20
  6. Step 6: Final answer
    x = 24,678.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.