Home / 21,385.44-29,525.04-16,927.20

Finding the Fourth Proportional to 21,385.44, 29,525.04 and 16,927.20

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Solution

The fourth proportional to 21,385.44, 29,525.04 and 16,927.20 is: 23,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,385.44 : 29,525.04 = 16,927.20 : x
  2. Step 2: Convert to fraction form
    21,385.44/29,525.04 = 16,927.20/x
  3. Step 3: Cross multiply
    21,385.44x = 29,525.04 × 16,927.20
  4. Step 4: Simplify right side
    21,385.44x = 499,776,257.09
  5. Step 5: Solve for x
    x = 499,776,257.09/21,385.44
  6. Step 6: Final answer
    x = 23,369.93

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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.