Home / 27,786.20-41,681.10-14,664.20

Finding the Fourth Proportional to 27,786.20, 41,681.10 and 14,664.20

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Solution

The fourth proportional to 27,786.20, 41,681.10 and 14,664.20 is: 21,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,786.20 : 41,681.10 = 14,664.20 : x
  2. Step 2: Convert to fraction form
    27,786.20/41,681.10 = 14,664.20/x
  3. Step 3: Cross multiply
    27,786.20x = 41,681.10 × 14,664.20
  4. Step 4: Simplify right side
    27,786.20x = 611,219,986.62
  5. Step 5: Solve for x
    x = 611,219,986.62/27,786.20
  6. Step 6: Final answer
    x = 21,997.25

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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.