Home / 21,116.85-29,107.76-16,633.50

Finding the Fourth Proportional to 21,116.85, 29,107.76 and 16,633.50

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Solution

The fourth proportional to 21,116.85, 29,107.76 and 16,633.50 is: 22,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,116.85 : 29,107.76 = 16,633.50 : x
  2. Step 2: Convert to fraction form
    21,116.85/29,107.76 = 16,633.50/x
  3. Step 3: Cross multiply
    21,116.85x = 29,107.76 × 16,633.50
  4. Step 4: Simplify right side
    21,116.85x = 484,163,842.79
  5. Step 5: Solve for x
    x = 484,163,842.79/21,116.85
  6. Step 6: Final answer
    x = 22,927.84

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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.