Home / 29,689.12-40,969.43-16,260.09

Finding the Fourth Proportional to 29,689.12, 40,969.43 and 16,260.09

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Solution

The fourth proportional to 29,689.12, 40,969.43 and 16,260.09 is: 22,438.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,689.12 : 40,969.43 = 16,260.09 : x
  2. Step 2: Convert to fraction form
    29,689.12/40,969.43 = 16,260.09/x
  3. Step 3: Cross multiply
    29,689.12x = 40,969.43 × 16,260.09
  4. Step 4: Simplify right side
    29,689.12x = 666,166,675.54
  5. Step 5: Solve for x
    x = 666,166,675.54/29,689.12
  6. Step 6: Final answer
    x = 22,438.07

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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.