Home / 29,149.28-43,687.01-18,615.23

Finding the Fourth Proportional to 29,149.28, 43,687.01 and 18,615.23

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Solution

The fourth proportional to 29,149.28, 43,687.01 and 18,615.23 is: 27,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,149.28 : 43,687.01 = 18,615.23 : x
  2. Step 2: Convert to fraction form
    29,149.28/43,687.01 = 18,615.23/x
  3. Step 3: Cross multiply
    29,149.28x = 43,687.01 × 18,615.23
  4. Step 4: Simplify right side
    29,149.28x = 813,243,731.09
  5. Step 5: Solve for x
    x = 813,243,731.09/29,149.28
  6. Step 6: Final answer
    x = 27,899.27

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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.