Home / 38,728.78-58,044.75-16,516.25

Finding the Fourth Proportional to 38,728.78, 58,044.75 and 16,516.25

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Solution

The fourth proportional to 38,728.78, 58,044.75 and 16,516.25 is: 24,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,728.78 : 58,044.75 = 16,516.25 : x
  2. Step 2: Convert to fraction form
    38,728.78/58,044.75 = 16,516.25/x
  3. Step 3: Cross multiply
    38,728.78x = 58,044.75 × 16,516.25
  4. Step 4: Simplify right side
    38,728.78x = 958,681,887.10
  5. Step 5: Solve for x
    x = 958,681,887.10/38,728.78
  6. Step 6: Final answer
    x = 24,753.73

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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.