Home / 21,943.31-32,905.85-13,610.84

Finding the Fourth Proportional to 21,943.31, 32,905.85 and 13,610.84

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Solution

The fourth proportional to 21,943.31, 32,905.85 and 13,610.84 is: 20,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943.31 : 32,905.85 = 13,610.84 : x
  2. Step 2: Convert to fraction form
    21,943.31/32,905.85 = 13,610.84/x
  3. Step 3: Cross multiply
    21,943.31x = 32,905.85 × 13,610.84
  4. Step 4: Simplify right side
    21,943.31x = 447,876,026.83
  5. Step 5: Solve for x
    x = 447,876,026.83/21,943.31
  6. Step 6: Final answer
    x = 20,410.60

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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.