Home / 28,989.26-43,500.30-12,347.56

Finding the Fourth Proportional to 28,989.26, 43,500.30 and 12,347.56

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Solution

The fourth proportional to 28,989.26, 43,500.30 and 12,347.56 is: 18,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989.26 : 43,500.30 = 12,347.56 : x
  2. Step 2: Convert to fraction form
    28,989.26/43,500.30 = 12,347.56/x
  3. Step 3: Cross multiply
    28,989.26x = 43,500.30 × 12,347.56
  4. Step 4: Simplify right side
    28,989.26x = 537,122,564.27
  5. Step 5: Solve for x
    x = 537,122,564.27/28,989.26
  6. Step 6: Final answer
    x = 18,528.33

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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.