Home / 21,469.44-29,629.08-16,154.76

Finding the Fourth Proportional to 21,469.44, 29,629.08 and 16,154.76

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Solution

The fourth proportional to 21,469.44, 29,629.08 and 16,154.76 is: 22,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469.44 : 29,629.08 = 16,154.76 : x
  2. Step 2: Convert to fraction form
    21,469.44/29,629.08 = 16,154.76/x
  3. Step 3: Cross multiply
    21,469.44x = 29,629.08 × 16,154.76
  4. Step 4: Simplify right side
    21,469.44x = 478,650,676.42
  5. Step 5: Solve for x
    x = 478,650,676.42/21,469.44
  6. Step 6: Final answer
    x = 22,294.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.