Home / 21,622.24-32,433.33-9,139

Finding the Fourth Proportional to 21,622.24, 32,433.33 and 9,139

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Solution

The fourth proportional to 21,622.24, 32,433.33 and 9,139 is: 13,708.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,622.24 : 32,433.33 = 9,139 : x
  2. Step 2: Convert to fraction form
    21,622.24/32,433.33 = 9,139/x
  3. Step 3: Cross multiply
    21,622.24x = 32,433.33 × 9,139
  4. Step 4: Simplify right side
    21,622.24x = 296,408,202.87
  5. Step 5: Solve for x
    x = 296,408,202.87/21,622.24
  6. Step 6: Final answer
    x = 13,708.49

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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.