Home / 21,739.65-32,620.40-16,204.11

Finding the Fourth Proportional to 21,739.65, 32,620.40 and 16,204.11

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Solution

The fourth proportional to 21,739.65, 32,620.40 and 16,204.11 is: 24,314.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,739.65 : 32,620.40 = 16,204.11 : x
  2. Step 2: Convert to fraction form
    21,739.65/32,620.40 = 16,204.11/x
  3. Step 3: Cross multiply
    21,739.65x = 32,620.40 × 16,204.11
  4. Step 4: Simplify right side
    21,739.65x = 528,584,549.84
  5. Step 5: Solve for x
    x = 528,584,549.84/21,739.65
  6. Step 6: Final answer
    x = 24,314.31

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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.