Home / 28,268.24-39,001.16-16,330

Finding the Fourth Proportional to 28,268.24, 39,001.16 and 16,330

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Solution

The fourth proportional to 28,268.24, 39,001.16 and 16,330 is: 22,530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268.24 : 39,001.16 = 16,330 : x
  2. Step 2: Convert to fraction form
    28,268.24/39,001.16 = 16,330/x
  3. Step 3: Cross multiply
    28,268.24x = 39,001.16 × 16,330
  4. Step 4: Simplify right side
    28,268.24x = 636,888,942.80
  5. Step 5: Solve for x
    x = 636,888,942.80/28,268.24
  6. Step 6: Final answer
    x = 22,530.19

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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.