Home / 27,126.80-40,627.02-26,379.41

Finding the Fourth Proportional to 27,126.80, 40,627.02 and 26,379.41

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Solution

The fourth proportional to 27,126.80, 40,627.02 and 26,379.41 is: 39,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,126.80 : 40,627.02 = 26,379.41 : x
  2. Step 2: Convert to fraction form
    27,126.80/40,627.02 = 26,379.41/x
  3. Step 3: Cross multiply
    27,126.80x = 40,627.02 × 26,379.41
  4. Step 4: Simplify right side
    27,126.80x = 1,071,716,817.66
  5. Step 5: Solve for x
    x = 1,071,716,817.66/27,126.80
  6. Step 6: Final answer
    x = 39,507.68

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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.