Home / 28,986.86-43,494.88-21,606.14

Finding the Fourth Proportional to 28,986.86, 43,494.88 and 21,606.14

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Solution

The fourth proportional to 28,986.86, 43,494.88 and 21,606.14 is: 32,420.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.86 : 43,494.88 = 21,606.14 : x
  2. Step 2: Convert to fraction form
    28,986.86/43,494.88 = 21,606.14/x
  3. Step 3: Cross multiply
    28,986.86x = 43,494.88 × 21,606.14
  4. Step 4: Simplify right side
    28,986.86x = 939,756,466.56
  5. Step 5: Solve for x
    x = 939,756,466.56/28,986.86
  6. Step 6: Final answer
    x = 32,420.09

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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.