Home / 29,265.57-43,922.93-12,638.07

Finding the Fourth Proportional to 29,265.57, 43,922.93 and 12,638.07

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Solution

The fourth proportional to 29,265.57, 43,922.93 and 12,638.07 is: 18,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,265.57 : 43,922.93 = 12,638.07 : x
  2. Step 2: Convert to fraction form
    29,265.57/43,922.93 = 12,638.07/x
  3. Step 3: Cross multiply
    29,265.57x = 43,922.93 × 12,638.07
  4. Step 4: Simplify right side
    29,265.57x = 555,101,000.75
  5. Step 5: Solve for x
    x = 555,101,000.75/29,265.57
  6. Step 6: Final answer
    x = 18,967.72

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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.