Home / 27,664.80-41,510.70-12,866.10

Finding the Fourth Proportional to 27,664.80, 41,510.70 and 12,866.10

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Solution

The fourth proportional to 27,664.80, 41,510.70 and 12,866.10 is: 19,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,664.80 : 41,510.70 = 12,866.10 : x
  2. Step 2: Convert to fraction form
    27,664.80/41,510.70 = 12,866.10/x
  3. Step 3: Cross multiply
    27,664.80x = 41,510.70 × 12,866.10
  4. Step 4: Simplify right side
    27,664.80x = 534,080,817.27
  5. Step 5: Solve for x
    x = 534,080,817.27/27,664.80
  6. Step 6: Final answer
    x = 19,305.43

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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.