Home / 43,878.13-65,775.67-27,021.50

Finding the Fourth Proportional to 43,878.13, 65,775.67 and 27,021.50

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Solution

The fourth proportional to 43,878.13, 65,775.67 and 27,021.50 is: 40,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,878.13 : 65,775.67 = 27,021.50 : x
  2. Step 2: Convert to fraction form
    43,878.13/65,775.67 = 27,021.50/x
  3. Step 3: Cross multiply
    43,878.13x = 65,775.67 × 27,021.50
  4. Step 4: Simplify right side
    43,878.13x = 1,777,357,266.91
  5. Step 5: Solve for x
    x = 1,777,357,266.91/43,878.13
  6. Step 6: Final answer
    x = 40,506.68

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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.