Home / 27,720.77-41,587.69-8,999.36

Finding the Fourth Proportional to 27,720.77, 41,587.69 and 8,999.36

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Solution

The fourth proportional to 27,720.77, 41,587.69 and 8,999.36 is: 13,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.77 : 41,587.69 = 8,999.36 : x
  2. Step 2: Convert to fraction form
    27,720.77/41,587.69 = 8,999.36/x
  3. Step 3: Cross multiply
    27,720.77x = 41,587.69 × 8,999.36
  4. Step 4: Simplify right side
    27,720.77x = 374,262,593.88
  5. Step 5: Solve for x
    x = 374,262,593.88/27,720.77
  6. Step 6: Final answer
    x = 13,501.16

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1.5x scale

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.