Home / 27,139.30-40,707.51-8,669.86

Finding the Fourth Proportional to 27,139.30, 40,707.51 and 8,669.86

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Solution

The fourth proportional to 27,139.30, 40,707.51 and 8,669.86 is: 13,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,139.30 : 40,707.51 = 8,669.86 : x
  2. Step 2: Convert to fraction form
    27,139.30/40,707.51 = 8,669.86/x
  3. Step 3: Cross multiply
    27,139.30x = 40,707.51 × 8,669.86
  4. Step 4: Simplify right side
    27,139.30x = 352,928,412.65
  5. Step 5: Solve for x
    x = 352,928,412.65/27,139.30
  6. Step 6: Final answer
    x = 13,004.33

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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.