Home / 18,828.30-28,197.92-16,349.66

Finding the Fourth Proportional to 18,828.30, 28,197.92 and 16,349.66

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Solution

The fourth proportional to 18,828.30, 28,197.92 and 16,349.66 is: 24,485.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.30 : 28,197.92 = 16,349.66 : x
  2. Step 2: Convert to fraction form
    18,828.30/28,197.92 = 16,349.66/x
  3. Step 3: Cross multiply
    18,828.30x = 28,197.92 × 16,349.66
  4. Step 4: Simplify right side
    18,828.30x = 461,026,410.33
  5. Step 5: Solve for x
    x = 461,026,410.33/18,828.30
  6. Step 6: Final answer
    x = 24,485.82

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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.