Home / 21,997.74-32,941.92-15,393

Finding the Fourth Proportional to 21,997.74, 32,941.92 and 15,393

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Solution

The fourth proportional to 21,997.74, 32,941.92 and 15,393 is: 23,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997.74 : 32,941.92 = 15,393 : x
  2. Step 2: Convert to fraction form
    21,997.74/32,941.92 = 15,393/x
  3. Step 3: Cross multiply
    21,997.74x = 32,941.92 × 15,393
  4. Step 4: Simplify right side
    21,997.74x = 507,074,974.56
  5. Step 5: Solve for x
    x = 507,074,974.56/21,997.74
  6. Step 6: Final answer
    x = 23,051.23

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1.5x scale

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.