Home / 29,387.68-40,554.30-15,958.36

Finding the Fourth Proportional to 29,387.68, 40,554.30 and 15,958.36

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Solution

The fourth proportional to 29,387.68, 40,554.30 and 15,958.36 is: 22,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.68 : 40,554.30 = 15,958.36 : x
  2. Step 2: Convert to fraction form
    29,387.68/40,554.30 = 15,958.36/x
  3. Step 3: Cross multiply
    29,387.68x = 40,554.30 × 15,958.36
  4. Step 4: Simplify right side
    29,387.68x = 647,180,118.95
  5. Step 5: Solve for x
    x = 647,180,118.95/29,387.68
  6. Step 6: Final answer
    x = 22,022.16

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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.