Home / 27,720.56-41,587.43-9,000.65

Finding the Fourth Proportional to 27,720.56, 41,587.43 and 9,000.65

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Solution

The fourth proportional to 27,720.56, 41,587.43 and 9,000.65 is: 13,503.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.56 : 41,587.43 = 9,000.65 : x
  2. Step 2: Convert to fraction form
    27,720.56/41,587.43 = 9,000.65/x
  3. Step 3: Cross multiply
    27,720.56x = 41,587.43 × 9,000.65
  4. Step 4: Simplify right side
    27,720.56x = 374,313,960.79
  5. Step 5: Solve for x
    x = 374,313,960.79/27,720.56
  6. Step 6: Final answer
    x = 13,503.12

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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.