Home / 29,004.88-40,012.50-18,928.66

Finding the Fourth Proportional to 29,004.88, 40,012.50 and 18,928.66

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Solution

The fourth proportional to 29,004.88, 40,012.50 and 18,928.66 is: 26,112.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,004.88 : 40,012.50 = 18,928.66 : x
  2. Step 2: Convert to fraction form
    29,004.88/40,012.50 = 18,928.66/x
  3. Step 3: Cross multiply
    29,004.88x = 40,012.50 × 18,928.66
  4. Step 4: Simplify right side
    29,004.88x = 757,383,008.25
  5. Step 5: Solve for x
    x = 757,383,008.25/29,004.88
  6. Step 6: Final answer
    x = 26,112.26

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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.