Home / 21,508.05-32,261.79-10,415.73

Finding the Fourth Proportional to 21,508.05, 32,261.79 and 10,415.73

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Solution

The fourth proportional to 21,508.05, 32,261.79 and 10,415.73 is: 15,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508.05 : 32,261.79 = 10,415.73 : x
  2. Step 2: Convert to fraction form
    21,508.05/32,261.79 = 10,415.73/x
  3. Step 3: Cross multiply
    21,508.05x = 32,261.79 × 10,415.73
  4. Step 4: Simplify right side
    21,508.05x = 336,030,093.96
  5. Step 5: Solve for x
    x = 336,030,093.96/21,508.05
  6. Step 6: Final answer
    x = 15,623.46

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1.5x scale

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.