Home / 27,811.16-38,379.17-15,064.04

Finding the Fourth Proportional to 27,811.16, 38,379.17 and 15,064.04

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Solution

The fourth proportional to 27,811.16, 38,379.17 and 15,064.04 is: 20,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,811.16 : 38,379.17 = 15,064.04 : x
  2. Step 2: Convert to fraction form
    27,811.16/38,379.17 = 15,064.04/x
  3. Step 3: Cross multiply
    27,811.16x = 38,379.17 × 15,064.04
  4. Step 4: Simplify right side
    27,811.16x = 578,145,400.92
  5. Step 5: Solve for x
    x = 578,145,400.92/27,811.16
  6. Step 6: Final answer
    x = 20,788.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.