Home / 21,677.04-32,494.44-11,147.28

Finding the Fourth Proportional to 21,677.04, 32,494.44 and 11,147.28

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Solution

The fourth proportional to 21,677.04, 32,494.44 and 11,147.28 is: 16,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677.04 : 32,494.44 = 11,147.28 : x
  2. Step 2: Convert to fraction form
    21,677.04/32,494.44 = 11,147.28/x
  3. Step 3: Cross multiply
    21,677.04x = 32,494.44 × 11,147.28
  4. Step 4: Simplify right side
    21,677.04x = 362,224,621.12
  5. Step 5: Solve for x
    x = 362,224,621.12/21,677.04
  6. Step 6: Final answer
    x = 16,710.06

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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.