Home / 36,428.72-54,669-15,658.16

Finding the Fourth Proportional to 36,428.72, 54,669 and 15,658.16

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Solution

The fourth proportional to 36,428.72, 54,669 and 15,658.16 is: 23,498.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,428.72 : 54,669 = 15,658.16 : x
  2. Step 2: Convert to fraction form
    36,428.72/54,669 = 15,658.16/x
  3. Step 3: Cross multiply
    36,428.72x = 54,669 × 15,658.16
  4. Step 4: Simplify right side
    36,428.72x = 856,015,949.04
  5. Step 5: Solve for x
    x = 856,015,949.04/36,428.72
  6. Step 6: Final answer
    x = 23,498.38

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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.