Home / 29,300.82-40,435.22-15,872.02

Finding the Fourth Proportional to 29,300.82, 40,435.22 and 15,872.02

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Solution

The fourth proportional to 29,300.82, 40,435.22 and 15,872.02 is: 21,903.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,300.82 : 40,435.22 = 15,872.02 : x
  2. Step 2: Convert to fraction form
    29,300.82/40,435.22 = 15,872.02/x
  3. Step 3: Cross multiply
    29,300.82x = 40,435.22 × 15,872.02
  4. Step 4: Simplify right side
    29,300.82x = 641,788,620.54
  5. Step 5: Solve for x
    x = 641,788,620.54/29,300.82
  6. Step 6: Final answer
    x = 21,903.44

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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.