Home / 39,147.29-58,737.41-15,767.99

Finding the Fourth Proportional to 39,147.29, 58,737.41 and 15,767.99

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Solution

The fourth proportional to 39,147.29, 58,737.41 and 15,767.99 is: 23,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,147.29 : 58,737.41 = 15,767.99 : x
  2. Step 2: Convert to fraction form
    39,147.29/58,737.41 = 15,767.99/x
  3. Step 3: Cross multiply
    39,147.29x = 58,737.41 × 15,767.99
  4. Step 4: Simplify right side
    39,147.29x = 926,170,814.67
  5. Step 5: Solve for x
    x = 926,170,814.67/39,147.29
  6. Step 6: Final answer
    x = 23,658.62

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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.