Home / 29,646.72-40,910.92-16,215.36

Finding the Fourth Proportional to 29,646.72, 40,910.92 and 16,215.36

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Solution

The fourth proportional to 29,646.72, 40,910.92 and 16,215.36 is: 22,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,646.72 : 40,910.92 = 16,215.36 : x
  2. Step 2: Convert to fraction form
    29,646.72/40,910.92 = 16,215.36/x
  3. Step 3: Cross multiply
    29,646.72x = 40,910.92 × 16,215.36
  4. Step 4: Simplify right side
    29,646.72x = 663,385,295.73
  5. Step 5: Solve for x
    x = 663,385,295.73/29,646.72
  6. Step 6: Final answer
    x = 22,376.35

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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.