Home / 29,454.28-40,647.30-16,879

Finding the Fourth Proportional to 29,454.28, 40,647.30 and 16,879

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Solution

The fourth proportional to 29,454.28, 40,647.30 and 16,879 is: 23,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,454.28 : 40,647.30 = 16,879 : x
  2. Step 2: Convert to fraction form
    29,454.28/40,647.30 = 16,879/x
  3. Step 3: Cross multiply
    29,454.28x = 40,647.30 × 16,879
  4. Step 4: Simplify right side
    29,454.28x = 686,085,776.70
  5. Step 5: Solve for x
    x = 686,085,776.70/29,454.28
  6. Step 6: Final answer
    x = 23,293.25

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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.