Home / 28,919.50-43,329.68-19,414.02

Finding the Fourth Proportional to 28,919.50, 43,329.68 and 19,414.02

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Solution

The fourth proportional to 28,919.50, 43,329.68 and 19,414.02 is: 29,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,919.50 : 43,329.68 = 19,414.02 : x
  2. Step 2: Convert to fraction form
    28,919.50/43,329.68 = 19,414.02/x
  3. Step 3: Cross multiply
    28,919.50x = 43,329.68 × 19,414.02
  4. Step 4: Simplify right side
    28,919.50x = 841,203,274.11
  5. Step 5: Solve for x
    x = 841,203,274.11/28,919.50
  6. Step 6: Final answer
    x = 29,087.75

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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.