Home / 28,661.12-42,952.79-16,174.97

Finding the Fourth Proportional to 28,661.12, 42,952.79 and 16,174.97

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Solution

The fourth proportional to 28,661.12, 42,952.79 and 16,174.97 is: 24,240.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,661.12 : 42,952.79 = 16,174.97 : x
  2. Step 2: Convert to fraction form
    28,661.12/42,952.79 = 16,174.97/x
  3. Step 3: Cross multiply
    28,661.12x = 42,952.79 × 16,174.97
  4. Step 4: Simplify right side
    28,661.12x = 694,759,874.90
  5. Step 5: Solve for x
    x = 694,759,874.90/28,661.12
  6. Step 6: Final answer
    x = 24,240.50

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1.5x scale

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.