Home / 21,192.58-29,179.08-17,999.02

Finding the Fourth Proportional to 21,192.58, 29,179.08 and 17,999.02

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Solution

The fourth proportional to 21,192.58, 29,179.08 and 17,999.02 is: 24,782.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.58 : 29,179.08 = 17,999.02 : x
  2. Step 2: Convert to fraction form
    21,192.58/29,179.08 = 17,999.02/x
  3. Step 3: Cross multiply
    21,192.58x = 29,179.08 × 17,999.02
  4. Step 4: Simplify right side
    21,192.58x = 525,194,844.50
  5. Step 5: Solve for x
    x = 525,194,844.50/21,192.58
  6. Step 6: Final answer
    x = 24,782.02

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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.