Home / 21,452.24-29,586.53-15,099.86

Finding the Fourth Proportional to 21,452.24, 29,586.53 and 15,099.86

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Solution

The fourth proportional to 21,452.24, 29,586.53 and 15,099.86 is: 20,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.24 : 29,586.53 = 15,099.86 : x
  2. Step 2: Convert to fraction form
    21,452.24/29,586.53 = 15,099.86/x
  3. Step 3: Cross multiply
    21,452.24x = 29,586.53 × 15,099.86
  4. Step 4: Simplify right side
    21,452.24x = 446,752,237.45
  5. Step 5: Solve for x
    x = 446,752,237.45/21,452.24
  6. Step 6: Final answer
    x = 20,825.44

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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.