Home / 21,957.09-32,968.44-21,629.04

Finding the Fourth Proportional to 21,957.09, 32,968.44 and 21,629.04

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Solution

The fourth proportional to 21,957.09, 32,968.44 and 21,629.04 is: 32,475.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,957.09 : 32,968.44 = 21,629.04 : x
  2. Step 2: Convert to fraction form
    21,957.09/32,968.44 = 21,629.04/x
  3. Step 3: Cross multiply
    21,957.09x = 32,968.44 × 21,629.04
  4. Step 4: Simplify right side
    21,957.09x = 713,075,830.15
  5. Step 5: Solve for x
    x = 713,075,830.15/21,957.09
  6. Step 6: Final answer
    x = 32,475.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.