Home / 38,565.69-57,857.19-13,605.94

Finding the Fourth Proportional to 38,565.69, 57,857.19 and 13,605.94

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Solution

The fourth proportional to 38,565.69, 57,857.19 and 13,605.94 is: 20,411.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,565.69 : 57,857.19 = 13,605.94 : x
  2. Step 2: Convert to fraction form
    38,565.69/57,857.19 = 13,605.94/x
  3. Step 3: Cross multiply
    38,565.69x = 57,857.19 × 13,605.94
  4. Step 4: Simplify right side
    38,565.69x = 787,201,477.01
  5. Step 5: Solve for x
    x = 787,201,477.01/38,565.69
  6. Step 6: Final answer
    x = 20,411.97

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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.