Home / 27,786.60-41,699.34-12,215.16

Finding the Fourth Proportional to 27,786.60, 41,699.34 and 12,215.16

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Solution

The fourth proportional to 27,786.60, 41,699.34 and 12,215.16 is: 18,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,786.60 : 41,699.34 = 12,215.16 : x
  2. Step 2: Convert to fraction form
    27,786.60/41,699.34 = 12,215.16/x
  3. Step 3: Cross multiply
    27,786.60x = 41,699.34 × 12,215.16
  4. Step 4: Simplify right side
    27,786.60x = 509,364,109.99
  5. Step 5: Solve for x
    x = 509,364,109.99/27,786.60
  6. Step 6: Final answer
    x = 18,331.29

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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.