Home / 28,110-38,791.80-16,934.16

Finding the Fourth Proportional to 28,110, 38,791.80 and 16,934.16

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Solution

The fourth proportional to 28,110, 38,791.80 and 16,934.16 is: 23,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110 : 38,791.80 = 16,934.16 : x
  2. Step 2: Convert to fraction form
    28,110/38,791.80 = 16,934.16/x
  3. Step 3: Cross multiply
    28,110x = 38,791.80 × 16,934.16
  4. Step 4: Simplify right side
    28,110x = 656,906,547.89
  5. Step 5: Solve for x
    x = 656,906,547.89/28,110
  6. Step 6: Final answer
    x = 23,369.14

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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.