Home / 21,575.76-29,791.44-16,873.44

Finding the Fourth Proportional to 21,575.76, 29,791.44 and 16,873.44

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Solution

The fourth proportional to 21,575.76, 29,791.44 and 16,873.44 is: 23,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575.76 : 29,791.44 = 16,873.44 : x
  2. Step 2: Convert to fraction form
    21,575.76/29,791.44 = 16,873.44/x
  3. Step 3: Cross multiply
    21,575.76x = 29,791.44 × 16,873.44
  4. Step 4: Simplify right side
    21,575.76x = 502,684,075.35
  5. Step 5: Solve for x
    x = 502,684,075.35/21,575.76
  6. Step 6: Final answer
    x = 23,298.56

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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.